Product information This grinding stone is for sharpening and grinding a variety of metals. It's compatible with most brands of 150mm bench grinder and is deal for replacing your existing grinding stone once it's worn out Compatible with 150mm bench grinder with bore size 12.7mm Suitable for dry use only Features and benefits 60 is a coarse grit level, ideal for stripping most materials Compatible with most brands of 150mm bench grinder View less Specifications Brand Universal Fit Diameter (mm) 150mm Disc bore size (mm) 12.7mm Grit 60 grit Grit type Coarse Material Aluminium oxide Pack quantity 1 Thickness (mm) 16mm