Machining method shaping (planing).
Ra: 32, 63, 125, 250, 500, 1000, 2000, 4000_in. Rz: 154, 268, 488, 1009, 1950, 3998, 7603, 14440_in. Quantity 8pcs.
For checking, identifying and specifying the roughness by symbol.
Rust-proof, made of pure Nickel.

Insize 1192-300AE, DIGITAL OFFSET CENTERLINE CALIPER, .4"-12"/10.5-300mm, 6928640380532
3M 09413, Scotch-Brite Contour Surface Paint and Varnish Remover 9413NA, 7000052005 