With the Norton 01 200X25X32 38A 46 lvs grinding wheel, you grind heat-sensitive and hardened steels with complete accuracy and control. The high-purity white aluminium oxide grain (38A) is friable, continuously exposing sharp cutting edges to keep grinding temperatures low and protect hss tooling or chisels from burning. Its 46 grit rating delivers steady stock removal while leaving a clean, uniform surface finish. Measuring 200 mm in diameter, 25 mm in thickness, and featuring a 32 mm bore, this straight type 01 wheel fits standard stationary bench grinders for dependable deburring, sharpening, and toolroom surface grinding.