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Surface Roughness (texture) comparison standards. Made of solid electroformed nickel.
The largest variety of standards available for assessing and specifying, by symbol, the degree of roughness of machined parts - including every machining method known.
Every Obtainable Value
- Value size is 16mm x 25mm (or 5/8" x 1")
- Overall dimension of plate 52mm x 128mm (or 2 1/16" x 5")
- Light in weight - can be carried in pocket. Supplied in a plastic wallet.