The Makita DTD157Z 18V LXT Brushless Impact Driver is an exceptional cordless driver with a powerful brushless motor. It features an anti-bit-wobbling structure, with an ergonomically designed high comfort grip and an electric brake for quick, reliable stops. It has an assist mode for controlled screwdriving, along with an electronic 2-speed impact power selection and variable speed control via trigger. It can be operated in forward and reverse motion, and has an integrated LED worklight for precision and accuracy. The driver comes with a handy belt clip to attach to workwear, and is ideal for professional and DIY users. Makita DTD157Z 18V Li-ion LXT Brushless Impact Driver Batteries and Charger Not Included Electronic 2 stage impact power... The Makita DTD157 LXT Impact Driver has a powerful brushless motor and electronic 2-speed impact power selection. Variable speed is controlled via a trigger. It also has an assist mode for controlled screwdriving. Fitted with an ergonomically designed high comfort grip. There is also an electric brake and an LED job light. Supplied as a Bare Unit - No Battery or Charger. Specification Driving Shank 6.35mm (1/4in) No Load Speed 0-1,300/0-3,000/min. Impact Rate 0-2,000/0-4,100/bpm Max. Fastening Torque 140Nm Capacity Bolt Standard M5-M14, High Tensile M5-M12 Machine Screw M4-M8 Coarse Thread 22-90mm Weight 1.2kg