Machining method: cylindrical lapping.
Ra: 1, 2, 4, 8_in. Rz: 18, 22, 25, 49_in. Quantity 4pcs; superfinishing. Ra: 1, 2, 4, 8_in. Rz: 14, 28, 40, 56_in. Quantity 4pcs.
For checking, identifying and specifying the roughness by symbol.
Rust-proof, made of pure Nickel.

Insize 2383-35A, LONG STYLI DIAL TEST INDICATOR, .03", 6928640374784
3M 09413, Scotch-Brite Contour Surface Paint and Varnish Remover 9413NA, 7000052005 