Hand Grinder. Specification- 1)No Load Speed 11000 R.P.M 2) Disc Dia 4 Inch 3) Grinder C An Be Used With 100Mm Disc Diameter And Suitable Various Task. It Should Be Equipped With M10 Spindle Th Read For Compatiblity With Diff. Attachment. 4) Voltage 230 Volt Ac 5) 670 Watt 6) Dimension 31L X 12W X 9 .2H. Make-Hitachi/Bosch/Ingco Power Or Similar. [ Warranty Period: 30 Months After The Date Of Deliver Y ] ]