A high-quality, hard-wearing aluminium oxide bench grinding wheel with coarse grit. Suitable for general grinding, deburring and tool sharpening on non-ferrous metals and steel. Manufactured with a 31.75mm bore and supplied with 5 reduction rings enabling each bench grinding wheel to fit most bench grinders with a bore size between 12.7 - 31.75mm. Compatible with 19mm and 20mm wheel face Draper Bench Grinders.