Product information, , Keyless X-LOCK system, Ideal for steel, Narrow cutting edge, Free from iron, sulfur, and chlorinated fillers, Meets the highest safety standards (EN 12413), Also fits standard angle grinders, Specification WA 60 T BF, Diameter 125 mm, Bore diameter 22.23 mm, Thickness 1.0 mm, Maximum speed 12,250 RPM