Power Extensions purchased inexpensively from Mercateo

Picture

Item

Manufacturer/Manufacturer no.

Price

Order

APC Smart-UPS VT Subfeed Distribution power extension (1 offer)

APC Smart-UPS VT Subfeed Distribution 400/230V, (12) C19 16A & (1) 50A 3P HW output

APC

SUVTOPT102

from £ 1,598.74*
per piece

APC Smart-UPS VT Subfeed Distribution power extension (1 offer)

APC Smart-UPS VT Subfeed Distribution 400/230V, (12) C19 16A & (1) 40A 3P HW output.

APC

SUVTOPT101

from £ 1,601.94*
per piece

APC Smart-UPS VT Subfeed Distribution power extension (1 offer)

APC Smart-UPS VT Subfeed Distribution 400V, (2) CEE-32 32A & (3) IEC 309 - 16A

APC

SUVTOPT103

from £ 1,596.67*
per piece

Accu-Tech PD-815R-PL power extension 0.23 m 15 AC outlet(s) Black (1 offer)

Rackmount power strip shall have enhanced surge protection with no surge diversion to ground. Rackmount power strip shall operate on 120 volt AC/60Hz current. Rackmount power strip shall include 9'...

Accu-Tech

PD-815R-PL

from £ 111.71*
per piece

Accu-Tech PD-815SC-NS power extension 0.25 m 8 AC outlet(s) Black (1 offer)

Slim power strip shall be 18-3/5” long x 1.25” deep x 1.6” wide and shall have gray 8 NEMA 5-15R outlets in unique spacing pattern that allows up to 3 plug-in power supplies. Slim power strip inclu...

Accu-Tech

PD-815SC-NS

from £ 88.49*
per piece

Accu-Tech PD-915R-PL power extension 0.23 m 9 AC outlet(s) Black (1 offer)

Accu-Tech

PD-915R-PL

from £ 126.81*
per piece

Allocacoc 1203BL/DEOUPC power extension 4 AC outlet(s) Blue, White (1 offer)

Often we will find ourselves short of power sockets at home to supply power to all the appliances that we want to use at the same time. Either because they are blocked by bulky plugs and cannot be ...

Allocacoc

1203BL/DEOUPC

from £ 10.98*
per piece

Allocacoc 1306RD/DEEXPC power extension 1.5 m 5 AC outlet(s) Red, White (1 offer)

Often we arrive at our office, at home, in a meeting, or somewhere else and find it difficult to reach for a nearby available power outlet to charge our notebooks or smartphones. Either because we ...

Allocacoc

1306RD/DEEXPC

from £ 10.84*
per piece

Allocacoc 1406GY/DEEUPC power extension 1.5 m 4 AC outlet(s) Grey, White (1 offer)

Allocacoc

1406GY/DEEUPC

from £ 14.23*
per piece

Allocacoc 1407/DEEUPC power extension 3 m 4 AC outlet(s) Grey, White (1 offer)

Allocacoc

1407/DEEUPC

from £ 16.22*
per piece

Allocacoc PowerCube ReWirable USB power extension 1 m 4 AC outlet(s) Purple, White (1 offer)

This version of the PowerCube features 4 additional power outlets and a dual USB port. Despite its compact design power plugs are unlikely to block one another. At the back, a common IEC adapter ca...

Allocacoc

1811/DERU3P

from £ 16.65*
per piece

Allocacoc PowerCube ReWirable power extension 1 m 5 AC outlet(s) Purple, White (1 offer)

This version of the PowerCube features 5 additional power outlets. Despite its compact design power plugs are unlikely to block one another. At the back, a common IEC adapter can be found, so that ...

Allocacoc

1801/DERW3P

from £ 13.28*
per piece

Bachmann 19'' 2m 8 IEC320 C13 H05VV-F 3G 1.50mm² power extension 8 AC outlet(s) Black, Silver (1 offer)

1 U, end caps riveted, does not open. - 1x miniature fuse 10A. - 8 IEC 320 C13 appliance socket outlets, black. - Power input: IEC C14 appliance plug, H05VV-F 3G 1mm². - Aluminium profile, silver.

Bachmann

333.540

from £ 78.17*
per piece

Bachmann 19'' 2m 8x Schuko H05VV-F 3G 1.00mm² power extension 8 AC outlet(s) Black, Red (1 offer)

2m, H05VV-F 3G 1.0mm² black, socket outlets set at 35°. - 1 U, end caps riveted, does not open. - 1x miniature fuse 10A. - 8 socket outlets with earthing contact, red (RAL3020) - Power input: IEC a...

Bachmann

333.538

from £ 46.53*
per piece

Bachmann 19'' 2m 8x Schuko H05VV-F 3G 1.50mm² power extension 8 AC outlet(s) Black (1 offer)

1 U Overvoltage protection unit. - 8 socket outlets with earthing contact, black. - 2m, H05VV-F 3G 1.50mm² black, with moulded right angle plug with dual earthing contact system, sockets set at 35°...

Bachmann

333.534

from £ 53.44*
per piece

Bachmann 19'' 2m 8x Schuko H05VV-F 3G 1.50mm² power extension 8 AC outlet(s) Grey, Silver (1 offer)

1 U Overvoltage protection unit. - 8 socket outlets with earthing contact, light grey RAL7035. - 2m, H05VV-F 3G 1 .50 mm² black, with moulded right angle plug with dual earthing contact system, soc...

Bachmann

333.404

from £ 35.78*
per piece

Bachmann 300.000 power extension 2 m 6 AC outlet(s) Black, Grey (1 offer)

Supply cable: 2.0 m H05VV-F 3G 1.50 mm², black with right angle plug with earthing contact - Socket inserts, black, 15 mm spacing between sockets

Bachmann

300.000

from £ 19.31*
per piece

Bachmann 300.001 power extension 2 m 9 AC outlet(s) Indoor Black, Grey (1 offer)

Die Bachmann tradesman´s strip 300.001 power socket 9-way with a 2 m supply cable with 15 mm spacings between the sockets can be used variably as a socket strip for the private as well as for the b...

Bachmann

4016514017249

from £ 35.94*
per piece

Bachmann 300.002 power extension 2 m 12 AC outlet(s) Black, Grey (1 offer)

Unit = 10 items - Socket inserts, black, distances of 30 mm between socket outlets

Bachmann

300.002

from £ 41.39*
per piece

Bachmann 300.004 power extension 2 m 9 AC outlet(s) Black, Grey (1 offer)

Supply cable: 2.0 m H05VV-F 3G 1.50 mm² black, with right angle plug with earthing contact - Socket inserts black, 30 mm space between socket recesses

Bachmann

300.004

from £ 34.88*
per piece

Bachmann 300.012 power extension 2 m 6 AC outlet(s) Indoor Aluminium, Black (1 offer)

The Bachmann tradesman´s strip 300.012 power socket 6-way incl. 1 switch, overvoltage protection and Mains and frequency filters with a 2 m supply cable with 15 mm spacings between the sockets can ...

Bachmann

4016514034284

from £ 52.72*
per piece

Bachmann 300.030 power extension 2 m 5 AC outlet(s) Stainless steel (1 offer)

Supply cable: 2.0 m H05VV-F 3G 1.50 mm2, black with right angle plug with earthing contact Socket inserts, black, 15 mm spacing between sockets.

Bachmann

300.030

from £ 57.78*
per piece

Bachmann 300.049 power extension 2 m 4 AC outlet(s) Indoor Black, Silver (1 offer)

Socket inserts set at 90°; green switch - Supply cable 2.0 m H05VV-F 3G 1.5mm2 black with right angle plug with earthing contact

Bachmann

300.049

from £ 49.84*
per piece

Bachmann 300.050 power extension 2 m 6 AC outlet(s) Indoor Black (1 offer)

Bachmann

300.050

from £ 49.39*
per piece

Bachmann 330.106 power extension 2 m 5 AC outlet(s) Black, Grey (1 offer)

1 master + 4 slave socket outlets with earthing contact - With threshold value setting

Bachmann

330.106

from £ 45.88*
per piece

Bachmann 333.002 power extension 0.44 m 5 AC outlet(s) White (1 offer)

1x overvoltage protection + mains and frequency filters. - 5 earthing contact socket outlets, white. - Overvoltage protection + mains and frequency filters.

Bachmann

333.002

from £ 98.22*
per piece

Bachmann 333.537 power extension 2 m 5 AC outlet(s) Indoor Black (1 offer)

With its IT PDU Basic BACHMANN provides a huge choice of PDUs in a high-quality aluminium profile. With their extremely compact size of just 1 height unit and 44 mm in depth the Bachmann PDU 333.53...

Bachmann

4016514019502

from £ 99.41*
per piece

Bachmann 341.880 power extension 3 m 1 AC outlet(s) Black, Orange (1 offer)

End 1: mounting plug 913.173 End 2: mounting coupling 919.177 Black / orange

Bachmann

341.880

from £ 82.74*
per piece

Bachmann 381.141S power extension 1.5 m 6 AC outlet(s) Black (1 offer)

Supply cable: H05VV-F 3G 1.50mm². - Angled plug set at 45°, without switch. - 6x earthing contact socket outlets, child-proof. - Black, supply cable 1.5m.

Bachmann

381.141S

from £ 6.21*
per piece

Bachmann 381.230K power extension 1.5 m 4 AC outlet(s) White (1 offer)

Supply cable: H05VV-F 3G 1.50 mm². - 1.5m supply cable, 1 x switch, screwed (reusable screws), rewirable. - 4 earthing contact socket outlets, child-proof.

Bachmann

381.230K

from £ 8.28*
per piece

Bachmann 381.247K power extension 1.5 m 6 AC outlet(s) White (1 offer)

1.5m supply cable, screwed (reusable screws), rewirable. - 6 UTE, child-proof. - Supply cable: H05VV-F 3G 1.50 mm², white.

Bachmann

381.247K

from £ 6.75*
per piece

Bachmann 387.172 power extension 5 m 3 AC outlet(s) Black (1 offer)

Supply cable: H05W-F 3G 1.5 mm2

Bachmann

387.172

from £ 10.08*
per piece

Bachmann 387.275S power extension 3 m 3 AC outlet(s) Indoor White (1 offer)

The Bachmann SELLY (387.275S) 3-fold power strip in white is a practical variant of the power distribution in many areas. The SELLY series is a cost-effective and compact socket unit suitable for c...

Bachmann

387.275S

from £ 7.86*
per piece

Bachmann 388.172 power extension 5 m 3 AC outlet(s) Black (1 offer)

5m supply cable, screwed (reusable screws), without switch. - 3 earthing contact socket outlets, non child-proof.

Bachmann

388.172

from £ 10.62*
per piece

Bachmann 392.180 power extension 25 m 4 AC outlet(s) Black (1 offer)

Cable reel, 4-way, 16 A / 250 V ~ , IP20 - 4 socket outlets with earthing contact 250 V ~ without lid - Integrated 1-pole thermal safety switch

Bachmann

392.180

from £ 43.91*
per piece

Bachmann 392.181 power extension 50 m 4 AC outlet(s) Black (1 offer)

4 socket outlets with earthing contact 250 V ~ without lid - Integrated 1-pole thermal safety switch - Central plug with dual earthing contact system 1 item - Cable: Black, reel: Black

Bachmann

392.181

from £ 74.92*
per piece

Bachmann 392.182 power extension 25 m 3 AC outlet(s) Outdoor Black (1 offer)

Earthing contact central plug Cable: black, reel: black

Bachmann

392.182

from £ 108.58*
per piece

Bachmann 392.183 power extension 40 m 3 AC outlet(s) Outdoor Black (1 offer)

Earthing contact central plug Cable: black, reel: black

Bachmann

392.183

from £ 138.98*
per piece

Bachmann 395.180 power extension 25 m 4 AC outlet(s) Indoor Black (1 offer)

4 socket outlets with earthing contact 250 V ~ without lid - Integrated 1-pin thermal safety switch - Earthing contact central plug 1 item - Cable: black, reel: black

Bachmann

395.180

from £ 74.24*
per piece

Bachmann 395.181 power extension 50 m 4 AC outlet(s) Black (1 offer)

Earthing contact central plug Cable: black, reel: black

Bachmann

395.181

from £ 104.72*
per piece

Bachmann 398.181 power extension 25 m 4 AC outlet(s) Silver (1 offer)

Earthing contact central plug Cable: black, reel: silver

Bachmann

398.181

from £ 93.92*
per piece

Bachmann 398.182 power extension 50 m 4 AC outlet(s) Black, Silver (1 offer)

Cable: H05RR-F 3G 1.50 mm² | Central earthing contact plug | Cable: black | Reel: silver Cable reel, 4-way without lid · Integrated 1-pole thermal cut-out · 4 x socket outlet with earthing contact ...

Bachmann

398.182

from £ 140.15*
per piece

Bachmann 398.186 power extension 50 m 3 AC outlet(s) Outdoor Silver (1 offer)

Earthing contact central plug Cable: black, reel: silver

Bachmann

398.186

from £ 136.68*
per piece

Bachmann 399.003 power extension 25 m 4 AC outlet(s) Outdoor Black (1 offer)

4 German-type socket outlets, with earthing contact central plug.

Bachmann

399.003

from £ 138.56*
per piece

Bachmann 399.004 power extension 40 m 4 AC outlet(s) Black (1 offer)

Bachmann

399.004

from £ 160.75*
per piece

Bachmann 399.005 power extension 50 m 4 AC outlet(s) Black (1 offer)

4 German-type socket outlets, with earthing contact central plug

Bachmann

399.005

from £ 179.01*
per piece

Bachmann 399.009 power extension 25 m 3 AC outlet(s) Black (1 offer)

3 socket outlets with earthing contact 1 CEE socket outlet 16 A with CEE plug 16 A

Bachmann

399.009

from £ 250.86*
per piece

Bachmann 399.182 power extension 40 m 3 AC outlet(s) Outdoor Black (1 offer)

Earthing contact central plug Cable: black, reel: black

Bachmann

399.182

from £ 144.01*
per piece

Bachmann 3x Schuko 2x CAT6 1x HDMI, 1x USB3.0 power extension 1.5 m 3 AC outlet(s) Black, Stainless steel (1 offer)

DESK 2 is a power strip that can be populated with various communication modules. It has been designed for flexible use in the office, meeting rooms, home offices or desk sharing environments. The ...

Bachmann

902.502

from £ 84.70*
per piece

Bachmann 3x Schuko H05VV-F 3G 1.50mm² 16A/3680W 5m power extension 3 AC outlet(s) White (1 offer)

5m supply cable, screwed (one-way screws), without switch. - 3 earthing contact socket outlets, non child-proof.

Bachmann

387.272

from £ 7.38*
per piece

Bachmann 420.0021 power extension 2 m 5 AC outlet(s) Indoor Black (1 offer)

Bachmann

420.0021

from £ 48.33*
per piece

Bachmann 51088300 power extension 2 m 4 AC outlet(s) Indoor Stainless steel (1 offer)

The universal multiple-socket outlet Bachmann CASIA 4 x power socket outlet (923.006) is an efficient solution providing an easy-to-access power connection in the kitchen. It can be mounted in a co...

Bachmann

923.006

from £ 46.62*
per piece

Bachmann 5x Schuko, 2m power extension 5 AC outlet(s) Grey (1 offer)

With its IT-PDU 1 U, Bachmann provides a huge choice of PDUs in a high-quality aluminium profile. Given their extremely compact size of just 1 U in height, 44 mm in depth and 19" in width, the PDUs...

Bachmann

333.403

from £ 91.64*
per piece

Bachmann 5x Schuko, 2m power extension 6 AC outlet(s) Grey (1 offer)

Bachmann

333.402

from £ 63.99*
per piece

Bachmann 7x Schuko, 2m power extension 7 AC outlet(s) Grey (1 offer)

Bachmann

333.405

from £ 53.36*
per piece

Bachmann 7x Schuko, 2m power extension 7 AC outlet(s) Grey (1 offer)

Power Distribution Units - Torsionally rigid profile > 1 U (52 mm) in high-quality PVC, profile depth 44mm. - Optionally includes illuminated 2-pole switch. - High-quality electronics components bu...

Bachmann

333.604

from £ 53.60*
per piece

Bachmann 800.2282 power extension 3 m 30 AC outlet(s) Indoor Black, Grey (1 offer)

For future-proofed, highly efficient power distribution in data centres, server racks and network racks. The high-quality and very robust aluminium profile measures a compact 44 x 47 mm. The space-...

Bachmann

800.2282

from £ 154.78*
per piece

Bachmann 8x Schuko, 2m power extension 8 AC outlet(s) Grey (1 offer)

Bachmann

333.601

from £ 23.70*
per piece

Bachmann 902.0183 power extension 2 AC outlet(s) Indoor Black, Grey (1 offer)

Bachmann

902.0183

from £ 65.64*
per piece

Bachmann 909.0026 power extension 4 AC outlet(s) Black (2 offers)

Anodised aluminium profile; power input: GST18i3 plug, power output: GST18i3 socket 4 UK 3.15 A individually fused, child-proof, black, set at 45°

Bachmann

909.0026

from £ 97.60*
per piece

Bachmann 909.0027 power extension 3 AC outlet(s) Indoor Black, Grey (1 offer)

8-way: 5 x custom modules + power socket outlet - Anodised aluminium profile; power input: GST18i3 plug, power output: GST18i3 socket - 3 UK 3.15 A individually fused, child-proof, black, set at 45°

Bachmann

909.0027

£ 96.80*
per piece

Bachmann 909.0028 power extension 2 AC outlet(s) Indoor Black, Grey (1 offer)

8-way: 6 x custom modules + power socket outlet - Anodised aluminium profile; power input: GST18i3 plug, power output: GST18i3 socket - 2 UK 3.15 A individually fused, child-proof, black, set at 45°

Bachmann

909.0028

£ 92.40*
per piece

Bachmann 909.0029 power extension 2 AC outlet(s) Indoor Black,Grey (1 offer)

8-way: 6 x custom modules + power socket outlet Anodised aluminium profile; power input: GST18i3 plug, power output: GST18i3 socket 2 UK 3.15 A individually fused, child-proof, black, set at 45°

Bachmann

909.0029

£ 92.40*
per piece

Bachmann 912.003 power extension 2 AC outlet(s) Black, Silver (1 offer)

Length: approx. 217 mm. - Anodised aluminium profile, black socket outlets. - 3 german type socket outlets, set at 35°. - Power input: 0.1 m, H05VV-F 3G 1.50 mm² black, with Wieland GST18i3 plug.

Bachmann

912.003

from £ 46.62*
per piece

Bachmann 916.0601 power extension 0.1 m 2 AC outlet(s) Black (1 offer)

Black plastic; power input: 0.1 m cable and GST18i3 plug POWER FRAME is an easily accessible unit for supplying electricity to workstations. The power strip clicks into the built-in frame and can b...

Bachmann

916.0601

from £ 43.48*
per piece

Bachmann 916.1129 power extension 0.1 m 3 AC outlet(s) Black (1 offer)

Anodised aluminium profile; power input: 0.1 m cable and GST18i3 plug 3 UK 3.15 A individually fused, child-proof, black, set at 90° POWER FRAME is an easily accessible unit for supplying electrici...

Bachmann

916.1129

£ 70.40*
per piece

Bachmann 928.017 power extension 2 m 1 AC outlet(s) Indoor Black, Silver (1 offer)

Bachmann

928.017

from £ 72.13*
per piece

Bachmann 931.031 power extension 2 m 1 AC outlet(s) Indoor Black, Silver (1 offer)

The Bachmann Twist 1x socket, 1x USB Charger 931.031 in stainless steel look is a socket unit for office, lounge and kitchen. Thanks to its compact design and low installation depth, it is integrat...

Bachmann

931.031

from £ 71.74*
per piece

Bachmann 9x Schuko, 2m power extension 9 AC outlet(s) Black (1 offer)

Bachmann

333.506

from £ 31.28*
per piece

Bachmann CASIA 2 power extension 2 m 3 AC outlet(s) Indoor Black (1 offer)

Bachmann

932.106

from £ 98.09*
per piece

Bachmann DESK 1 power extension 2 AC outlet(s) Indoor Black, Silver (1 offer)

DESK is the ideal solution for data, media and power management wherever these connections need to be flexible. Typical situations might include meeting rooms, home offices or desk-sharing environm...

Bachmann

902.0184

£ 105.60*
per piece

Bachmann DESK 1 power extension 2 AC outlet(s) Indoor Black, Silver (1 offer)

Bachmann

902.024

£ 74.80*
per piece

Bachmann DESK 1 power extension 3 m 3 AC outlet(s) Black, Grey (1 offer)

3 x socket outlet with earthing contact, shuttered, black, set at 35° - 1 x switch 2-pole, green illuminated - Power input: 3.0 m, H05VV-F 3G 1.50 mm2 black - with right-angled earthing contact plu...

Bachmann

339.1001

from £ 51.42*
per piece

Bachmann DESK 1 power extension 3 m 4 AC outlet(s) Black, Grey (1 offer)

4 x socket outlet with earthing contact, shuttered, black, set at 35° - Power input: 3.0 m, H05VV-F 3G 1.50 mm2 black - with right-angled earthing contact plug - Incl. standard mounting bracket and...

Bachmann

339.1000

from £ 53.19*
per piece

Bachmann DESK 2 power extension 0.2 m 2 AC outlet(s) Black, Stainless steel (1 offer)

2 UK 3.15A individually fused, child-proof, black, set at 45° - Length 274.2 mm - Painted in stainless steel

Bachmann

902.431

£ 155.10*
per piece

Bachmann DESK 2 power extension 0.2 m 4 AC outlet(s) Indoor Black, White (1 offer)

DESK 2 is a power strip that can be populated with various communication modules and is perfect for all kinds of uses. DESK 2 is a power strip that can be equipped with various communication module...

Bachmann

902.214

£ 128.70*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black (1 offer)

Bachmann

902.978

£ 157.30*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black (1 offer)

Bachmann

902.976

£ 173.80*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black (1 offer)

Bachmann

902.979

£ 188.10*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black (1 offer)

Bachmann

902.974

£ 144.10*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black (1 offer)

Bachmann

902.975

£ 144.10*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.949

£ 188.10*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.947

£ 157.30*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.948

£ 157.30*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.944

£ 144.10*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.946

£ 173.80*
per piece

Bachmann DESK 2 power extension 2 AC outlet(s) Indoor Black, White (1 offer)

Bachmann

902.945

£ 144.10*
per piece

Bachmann DUE power extension 0.2 m 1 AC outlet(s) Indoor Black (1 offer)

DUE is the ideal power strip for the kitchen. It guarantees an elegant power supply and can be used just as effectively in the office as in other areas. With its interchangeable covers, it can be c...

Bachmann

929.044

£ 139.70*
per piece

Bachmann Desk 1 power extension 2 AC outlet(s) Indoor (1 offer)

DESK 1 DESK is the ideal solution for data, media and power management wherever these connections need to be flexible. Typical situations might include meeting rooms, home offices or desk-sharing e...

Bachmann

902.0260

£ 97.90*
per piece

Bachmann Desk 1 power extension 2 AC outlet(s) Indoor Black, Silver (1 offer)

Bachmann

902.1017

£ 71.50*
per piece

Bachmann Desk 1 power extension 3 AC outlet(s) Black (1 offer)

2x CAT5e - 3 socket outlets with earthing contact, child-proof, black, set at 35° - 2 x CAT5e RJ45, front: socket/rear: socket - Power input: GST18i3 plug, power output: GST18i3 socket - Incl. stan...

Bachmann

339.1004

from £ 46.95*
per piece

Bachmann Desk 2 Alu power extension 2 AC outlet(s) Indoor Aluminium, Black (1 offer)

DESK 2 ALU BLACK Two-colour look thanks to a combination of aluminium and end caps made of black plastic. DESK 2 ALU BLACK is a design-orientated socket strip that can also be equipped with various...

Bachmann

937.316

£ 162.80*
per piece