.Powerful & Efficient – Remove and reinstall lug nuts, sockets, nuts & bolts with powerful POSENPRO 550 W Impact Wrench .Comfy & Easy- Easy one-handed forward / reverse switch, quick selection of forward and reverse switch as well as a soft grip handle for ultimate control .Portable & Practical- Package comes with (4) sockets – 17mm, 19mm, 21mm, 22mm and a hard-wearing carry tool case for easy storage and transportation .Stable & Humanized- 1/2 Strong Detent Anvil for reliable socket retention with directionforward/reverse direction switch for ultimate control; 1/2 in. Heavy Duty Corded Impact Wrench delivers a hefty 3800 RPM. 500Nm Max bolt breakaway torque to power off the most stubborn fasteners .Durable & Convenient- 2M long length power rubber cable make your work more convenient and durable; High strength aluminium gear box provides longer life for the tool. All-aluminum head shell, durable, wear-resistant and drop-proof, Weight: 4.7619848592 pounds, Manufacturer: POSENPRO