The DeWalt DCF510 is an 18V cordless ratchet that is designed and engineered for the automotive technician. It is built with a tough brushless motor at its heart and delivers 101Nm of torque and a no-load speed up to 300rpm to fasten and release stubborn nuts and bolts. The ratchet has 3/8" and 1/2" square drive interchangeable anvils that can be quickly swapped out, increasing the variety of applications the DCF510 can be used on. The ratchet also features a bright integrated LED worklight that assists in low natural light areas around the workshop. The tool trigger lock prevents accidental activation, whist the forward/reverse switch is conveniently placed to ensure easy diretion changes in tight spaces. The sealed head design and glass filled nylon tool housing have been designed to protect the tool from automotive oils and solvents. The included GFN (Glass Filled Nylon) batteries are engineered for Automotive users with a chemical and grease resistant housing and rubber base to avoid marking surfaces.