With the Norton nor 01 grinding wheel, you can grind hardened tool steels and hss with exceptional accuracy and control. Its friable 38A white aluminium oxide grain continuously exposes sharp cutting edges, preventing thermal damage and discoloration on heat-sensitive metals. The vitrified lvs bond ensures dependable shape retention and a stable, smooth run during sharpening, deburring, or toolroom grinding. Featuring dimensions of 180X25X32 mm, a medium 60 grit, and a maximum operating speed of 45 M/S, this wheel helps you quickly restore cutting tools to peak sharpness in your workshop.