The Makita TW001G XGT 40Vmax BL Impact Wrench has an efficient brushless impact wrench with electronic 4 stage impact power selection for added versatility. 3 modes of reaction time allow for automatic stop available both in forward and reverse rotation modes. Reverse rotation auto stop mode stops after the bolt/nut loosened enough. Its ergonomically designed handle features a rubberised soft grip for increased user comfort and reduced fatique. XPT (Extreme Protection Technology) provides improved dust and water resistance for operation in harsh job site conditions. The battery protection system automatically shuts off power when the battery level is low. Its also features twin LED lights with pre-glow and afterglow functions. Specifications: Bit Holder: 3/4in Square C Ring.No Load Speed: 0-950/1,150/1,400/1,800/min.Impact Rate: 0-1,900/2,200/2,400/2,500/bpm.Max. Torque: 1,800Nm.Nut Busting Torque: 2,050Nm.Bolt Capacity: Standard: M12-M36.