The DeWALT N470330 Gear Case Keyless Chuck is a high-quality replacement part specifically designed for the DeWALT DCD996 Hammer Drill XR. This keyless chuck features a 1/2 inch diameter and is made with lithium-ion battery technology, providing a speed of 2000 RPM. The brushless motor ensures efficient performance, while the compact design makes it easy to handle. The set includes the gear case and chuck, perfect for maintaining or repairing your cordless drill.