This Makita 18V impact wrench is rated excellent by satisfied customers The Makita DTW701Z 18V Brushless Impact Wrench is a compact and powerful tool with a max fastening torque of 700Nm and a nut busting torque of 1,000Nm. The wrench has a 1/2in square drive and C-ring and features an electronic 4 stage impact power selection with forward and reverse rotation (and auto-stop system available in both modes). Users can easily switch between variable speed mode and full speed mode with the push of a button. This product is sold without battery and charger. Features: Electric brake Variable speed control by trigger Forward / reverse rotation LED job light Brushless motor Ergonomic soft grip Compact & Lightweight Electronic 4 stage impact power selection Auto-stop system available both in forward/reverse rotation modes Trigger switch with full speed mode: Variable speed mode can be changed to full speed mode simply by pushing a button. In full speed mode the trigger travel is shorter, the full speed is reached faster Comes With: Belt Clip Specification: Blows per Minute (Max) - ipm: 0 - 2,700 ipm No Load Speed (max/hard/med/soft): 0 - 2,200/ 1,900/ 1,200/ 500 rpm Nut Busting Torque: 1,000 Nm Driving Shank: ½” Square Drive, Pin Detent Blows per Minute (Hi) - ipm: 0 - 2,400 ipm Blows per Minute (Med) - ipm: 0 - 1,700 ipm Blows per Minute (Lo) - ipm: 0 - 1,000 ipm Standard Bolt: M10 – M24 High Strength Bolt (grade F10T): M12 - M16 High Strength Bolt (grade 10.9): M10 – M16 Noise sound pressure: 94 dB(A) Noise sound power: 105 dB(A) Noise K factor: 3 dB(A) Max Fastening Torque: 700 Nm Vibration: Fastening Bolt: 19.0 m/sec² Vibration K factor: 2 m/sec²