The Master Lock No. 377EURDAT features a trailer coupler lock, designed to fit 48mm, 51mm and most 59mm trailer couplers. The advanced locking mechanism provides resistance to picking and prying. The Limited Lifetime Warranty provides peace of mind from a brand you can trust.
- Fits 48mm, 51mm and most 59mm trailer couplers
- Advance locking mechanism resists picking and prying
- Easy to install and remove
- Resists rust and corrosion More information: Features | Product type | Coupler lock |  | Product colour | Silver | | Lock type | Flat key | | Number of lock keys included | 2 pc(s) | | Best uses | Trailer, Truck | | Compatible trailer coupler holes | 48,51,59 mm | | Corrosion resistant | Yes | | Easy to install | Yes | | Easy to remove | Yes |
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