DCF921 XR Impact Wrench with an efficient brushless motor and 1/2in square drive with hog ring for quick socket changes. Its variable speed trigger provides complete control over all applications and tactile 4-mode select feature, a selection of different modes and speed settings for ultimate performance. Bit Holder: 1/2in Hog Ring No Load Speed: 2,500/min. Impact Rate: 3,600/bpm Max. Fastening Torque: 406Nm Nut Busting Torque: 610Nm Weight: 1.1kg (without battery) Item Package Dimensions: (43.7 x 12.3 x 35.1) centimeters, Weight: 9.8546631114 pounds, Manufacturer: DeWalt