This Makita Impact Wrench has a brushless motor for increased runtime, maximum power and a long life The Makita DTW180 Impact Wrench is compact, lightweight, with a slim motor housing and fitted with a 9.5mm (3/8\") square drive. It features an electronic 2 stage impact power selection for a variety of applications. XPT technology makes it ideal for outdoor use by helping to protect it from dust and moisture and the LED job light provides illumination in dark areas. Sold in a Makpac Connector Case with 2 x 4.0Ah Batteries and a DC18RC Charger. Features: Electric brake for increased user safety Variable speed control by trigger Forward / reverse rotation LED job light to illuminate the workspace Ergonomic soft grip to reduce fatigue Reverse rotation auto-stop mode: This mode works only with pulling the trigger fully in a counter-clockwise rotation. When the bolt/nut gets loosened enough, the tool stops the impact and rotation in 0.2 seconds 2-stage impact power selection Compact & lightweight Comes With: 2 x 4.0Ah batteries DC18RC charger Makpak Type 2 Connector Case Belt clip Specification: Nut Busting Torque: 310Nm Driving Shank: 3/8\" Square Blows per Minute (Hi) - ipm: 0 - 3,600ipm Blows per Minute (Lo) - ipm: 0 - 2,000ipm Standard Bolt: M8-M16 High Tensile Bolt: M6-M12 Noise sound pressure: 89dB(A) Noise sound power: 100dB(A) Noise K factor: 3dB(A) No Load Speed (Hi): 0 - 2,400rpm No Load Speed (Lo): 0 - 1,300rpm Max Fastening Torque: 180Nm Vibration: Fastening Bolt: 9.0m/sec² Vibration K factor: 1.5m/sec²