The DEWALT DCF892 XR Impact Wrench has an efficient brushless motor and 1/2in square drive plus detent pin allowing 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. * Mode 1 Low Speed: tool operates at a reduced speed and outputs approximately 160Nm, reverse tool operates at normal speed.* Mode 2 Mid Speed: tool operates at a reduced speed and outputs approximately 400Nm, reverse tool operates at normal speed.* Mode 3 High Speed: tool operates at normal speed, reverse tool operates at normal speed.* Mode 4 Precision Wrench: tool pauses before impacting to help prevent over-tightening, reverse tool lowers speed when fastening is loose to help prevent run-off. Its ultra-compact design enables easy access in confined areas. Fitted with a comfortable rubber XR grip and switch for greater application comfort and maximum control. An ultra-bright white LED work light with a delay feature improves visibility. Brightness control allows dimming or turn off to suit the working conditions. Specifications: Bit Holder: 1/2in Detent Pin.No Load Speed: 0-2,000/min.Impact Rate: 0-3,250/bpm.Max. Torque: 812Nm.Breakaway Torque: 1152Nm.Weight: 1.6kg (without battery).