Angle Grinder 1,Dianeter of disc hole:22mm, 2,NO-load speed:8500r/min 3,Rated input power:2000W 4,Rated voltage:220V Angle Grinder S1M-NTD-180 Power ToolsSpecifications Item NO S1M-NTD-180Rated power 2000WNo load speed 8500RPMDisc dimeter 180mm Voltage 110-220VFrenquency 50/60HZKITS 1 pcs Disc1 pcs Holder1 pcs Wheel Guard 1 pcs Manual