A high-quality, hard-wearing aluminium oxide bench grinding wheel with fine grit. Suitable for general grinding, deburring and tool sharpening on non-ferrous metals and steel. Dry-cutting use only. 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: 66804, 05095, 83421, 29620. Diameter: 150mm, Thickness: 20mm, Grit: 60G (Fine), Metres Per Second: 35m/s, Max Speed: 4,450rpm, Bore: 31.75mm, Reduction Ring Sizes: 25.40mm / 22.23mm / 19.05mm / 15.90mm / 12.70mm, Wheel Hardness: M, Approved Abrasive Wheel Marking Code: A360M 5V, Certification: EN12413, Nett Weight: 0.79kg Conforms to EN12413.