30 PIECE COMPOSITE SET OF ROUGHNESS STANDARDS (4101-0030)

30 Piece Composite Set of Roughness Standards 30 specimens of 7/8" x 3/8" electroformed solid nickel. For quick and easy comparisons. Conforms to S.A.E and military specifications. Supplied in a wallet with instructions. Each type of surface finish is truly and consistently reproduced with a realistic idea of the feel, appearance and texture of the machined components. Shipping Weight: 1.2 lbs