Moulded into metal frames. Lightweight (2.5 oz) in fitted wallets. Fits right into pocket - 2 1/16 in L x 5 in W overall size. Individual specimens: 5/8 in L x 1 in W. Used by Q,C. inspectors, line supervisors, machinists, draftsmen, designers, etc. More information:  |  | Machining Method: | Vertical Grinding | Number of Specimens: | 6 | Ra µm: | 0.2-6.3 | Range: | 0.2-6.3 | Size (Number): | 4-9 | Type: | Micro Surface Finish Comparator Plates |
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