Detailed Product Description 20mm Rotary Hammer DrillModel: PHD1003Voltage: 230/110VFrequency: 50/60Hz Input Power:500W No-load Speed: 0-850r/min Impact Rate: 4000/minImpact Energy: 2JDrilling Capacity: Concrete: 20mm, Steel: 10mm, Wood: 20mmPacking: BMC, 5Pcs/Ctn, GW/NW: 22/20Kg, Carton Size: 56.5*42*29cm, 2000Pcs/20'CApproval: GS/CE