INSIZE ISR-CSE333 surface roughness specimen, 5pcs per set

Features

• Machining method hand filing.
• Ra: 16, 32, 63, 125, 250μin. Rz: 120, 224, 496, 900, 2440μin. Quantity 5pcs.
• For checking, identifying and specifying the roughness by symbol.
• Rust-proof, made of pure Nickel.