... . 300W, 8500RPM,75MM wheel Multi Function Jewelry Making Tool Multi Function,grinding,polishing,engraving Voltage:230V/50HZ OR 110V/60HZPhase:SingleInput Power:300WVariable Speed Control:0 ... Length:97cmQty/Ctn:6pcsCtn Size:47x28x32cmG.W.:20kgsN.W.:19kgs Multi Function Jewelry Making Tool