GENERAL PURPOSE GRINDING WHEEL; DEPRESSED CENTRE;MAX 15300 RPM,GLASS FIBRE REINFORCED;100 MM DIA X 6 MM THK X 16 MM DIA HOLE;U/W METABO MODEL W8-100 PORTABLE GRINDER 1000 RPM,SC22525;COMPLIES WITH AS1788.1-1987;***NOTE:-NOT TO BE USED WITH MACHINES THAT EXCEED THE WHEELS MAX RPM;***