Koolies Heatless Wheels Coarse Black 22mm 50pk

Heatless grinding wheels - non-clogging binder continuously exposes sharp, new abrasive with the absolute minimum of heat. Metal brush assures perfect centring, true running and safety. Diameter: 22.2mm x width: 3.1mm. Coarse black (silicone carbide) multipurpose wheel. Fine green (silicone carbide) porcelain and enamel work leaves a smooth and polished finish. Fine white (aluminium oxide) finishing non-precious and semi-precious ceramic materials.