Important parameters: torque range: 0-520 (N.M. ); number of revolutions: 3000 rpm /min; number of strokes: 0-3000 (ipm) drive shaft / tension drive. Application: Impact screwdriver is suitable do construction racks, maintenance, woodworking, etc. Adaptation of do Makita 18 V lithium-ion battery, such as Makita BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860B, etc. Usage: Just pull za the help of the switch trigger impact screwdriver. As the pressure on the switch trigger increases, the speed of the device increases. Press the switch to start the LED light, which is suitable do working in the dark. Easy to use: brushless impact driver does not produce sparks during operation, and the motor does not wear out. Specification: Color: Blue Material: PVCmetal Size: 20,5 * 15,5 * 8 cm Torque Range: 0-520nm Handle Size: 1/2 inch Rated Voltage: 18V Compatibility: do Makita 18V lithium-ion batteries, such as Makita BL1830, BL1830B, BL1840, BL1840B, BL1850, BL1850B, BL1860B, etc. Power: 1280 W Screw diameter: 22 mm Speed: 3000 rpm Stroke Frequency: 3000ipm Included: 1x Electric Impact Wrench 1x Latch 1x O-ring 1x Key do handle 1x Dual-function screwdriver tip 1x Drill chuck 2x Adapters do conversion 3x Caps (14mm/17mm/19mm)