1. Voltage: 110/220V2. Power: 65W3. No-load speed: 6000rpm4. Grinding wheel diameter: about 56mm5. Grindable drill size: about 3-13mm in diameter6. Grindable width: about 6-51mm, width limit and detachable width unlimited7. The angle of the cutter head is adjustable: 15-50 degrees, with strong magnet adsorption8. Weight: about 1520 grams9. Overall size: about 14.1x15 cm packing list:-Knife sharpener x1-Sharpening attachment x1 group-Grinding drill attachment x1 group-Instruction x1Specification: Package Weight One Package Weight 1.61kgs / 3.55lb One Package Size 23cm * 20cm * 15cm / 9.06inch * 7.87inch * 5.91inch Qty per Carton 18 Carton Weight 30.00kgs / 66.14lb Carton Size 60cm * 52cm * 39cm / 23.62inch * 20.47inch * 15.35inch Loading Container 20GP: 219 cartons * 18 pcs = 3942 pcs 40HQ: 508 cartons * 18 pcs = 9144 pcs