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.

3M 54109, Scotch-Brite Roloc AL Surface Conditioning Disc TR, 1-1/2 in x NH A MED, 7100075533, 200 per case
3M 25774, Scotch-Brite Roloc Surface Conditioning Disc, TSM, 1-1/2 in x NH A MED, 7100014112, 200 per case
Dynabrade 78423 4-1/2" Dia. x 3/8" Very Fine DynaBrite Surface Conditioning Disc, 25/pack
Insize 2175-360, DIGITAL LEVEL AND PROTRACTOR, 0~360? (90?x4), IP67, 6928640384875
3M 11412, Roloc Disc 361F, 36 YF-weight, TR, 1 in, Die R100N, 7000045092
3M 07056, Drywall Sanding Sponge CP-042, Single Angle, 2-7/8 in x 4-7/8 in x 1 in, Fine, 7100101555
3M 51003, Surface Protection Fabric 14 in x 50 ft, 7100223608
3M 01326, PSA Cloth Disc 348D, P240 X-weight, 3 in x NH, Die 300V, 7000045069
3M 12952, Scotch-Brite Roloc Surface Conditioning Disc, SC-DR, A/O Very Fine, TR, 4 in, 7100007032, 100 per case 