Model DTD152 is a cordless impact driver powered by 18V Li-ion battery and developed for main applications such as tightening of self-drilling screws or light duty machine screws. Includes a 1/2" impact socket set with sockets 8, 10, 12, 13, 14, 15, 17 and 18 mm along with a 1/4" Hex to 1/2" Square converter - ideal for use with Impact Drivers as well as Impact Wrenches. Features include: Electric brake. Variable speed control by trigger. Forward/reverse rotation. Twin LED job light. Ergonomic soft grip. Compact and lightweight design. Equipped with Battery protection circuit: designed to protect the battery from damages due to overdischarge, high temperature or overload current. High rotation speed. One-touch bit installation.