Heavy Duty Cordless Impact Torque Wrench 20v -330NM -  with 4 socket Attachments  High-quality motor, small volume, heavy torque-330NM Tungsten carbide steel shaft, aluminium head, strong and durable Steeples variable speed switch, press to adjust the speed efficiently Large vents efficiently improve heat generation for long-term use Ergonomic soft-grip handle & integrated LED work light, beautiful and durable Large capacity lithium battery, overload protection, fast charging, long lasting power Motor Type: Brushless Voltage: 20 V Power Source: 20V DC Power Source: Battery/Cordless Maximum Torque: 330N M. Battery Capacity: 20000mAh(2pcs) No-load Speed: 26000r/min Battery Capacity: 20000mah Impact frequency: 0.3000 b/min Wrench Head Size: 1/2inch (12.5mm) Charging Input Voltage: 100-240V 50/60Hz Charging Output Voltage: 21V 8AH Wrench Socket: 4-24 m Charging Input Voltage: 100-240V 50/60Hz Charging Output Voltage: 21V 8AH Includes 1x Impact Wrench 1x Power Charger 1x 20000mAh Li-Ion battery 1x 17mm Socket 1x 19mm Socket 1x 21mm Socket 1x 22mm ½ inch Socket 1x User Manual 1x Hard Shell Carry Case