1.rated power input:2400watt 2.no load speed:6000rpm 3.with CE,emc,GS,UL certificate 1.Variable speed2.Reverse switch3.Chuck exchangeable 4.More powerful, more durable5.The handle with rubber skin, long time working without worn.codehp-g2400b voltage230V/50HZrated power input2400wattno load speed6000rpmdia of wheel230mmdia of hole22mmspindle diameter14mm Angle Grinder hp-g2400b