The DeWalt 1/4inch Impact Right Angle Attachment is designed for screwing and drilling. This attachment would be used mostly by trade professionals. It is best used if you need to access tight spaces and difficult to reach areas. It can be used in conjunction with impact drivers and cordless drills. It has 43Nm of torque and a patented handle design. The handle design reduces vibration helping the user have added control and more comfort. Supplied as a single unit. Features Ultra-compact – Easy to attach onto the cordless drill DT20503-QZ Compatibility – Attaches onto the DeWalt Flexi Attachment DT20501-QZ Patented handle design, which reduces vibration – For added control and comfort. Long-Life Gears - Impact-Ready for durability on the toughest jobs. 38mm .