This product is a electric impact wrench, mainly made of plastic materials, light and practical, with excellent texture. With reasonable design and practical functions, it can help you easily disassemble screws. It is a very efficient and practical maintenance tool. Features -Color: Black. -Material: Plastic. -Size: About 21.00X15.00X8.00cm/8.25X5.89X3.14in. -Sleeve type: 17mm, 19mm, 21mm, 22mm. -Rated input power: 1280W. -Maximum torque: 360-520Nm. -Power supply voltage: DC12V. -Number of : 4500rpm. -Maximum torque: 780n.m. -Battery: Lithium battery (not included). - Premium motor provides surging power, and the strong power is not hindered. - Cordless design, save the trouble of finding power supply everywhere, and it is more convenient to carry. - Industrial-grade , large output torque, high work efficiency. - Large torque, easy to disassemble, with good working performance, can serve you well. - The impact wrench is reasonably designed, sturdy and durable, easy to control, and highly comfortable. Package list: 1 x electric wrench 4 x sleeves 1 x washer 2 x screws 1 x nut 1 x hook