Brand N/A Model 544 Quantity 1 Color Grey Material ABS + steel Features Power: 9.6W; Can not used on metal; Abrasion resistant Long lifetime and great performance; Comfortable hand feeling; Easy to use Application Suitable for mold processing polishing and grinding; Suitable for aluminum plate thin copper plate wood fiber board PCB board and epoxy board etc.; Idea tool for producing Other Torque: 530g/cm; Void speed rate: 120000/rpm; Load speed rate: 8000/rpm; Consuming power: 500mA DC 12V; Input voltage: AC 220/50Hz; Steel drill heads: diamter: 0.5 1.0 1.5 2.5 3.0mm; Chucks: internal diameter: 0.5 1.0 1.5 2.5 3.0mm Packing List 1 x Drill 5 x High-speed steel drill heads 5 x Chucks 4 x Polished ceramic grinding wheels 1 x Cutting grinding wheel 1 x Power adapter (106cm) 1 x Chinese user manual