You'll easily drill holes or drive screws in tight quarters with this rugged right angle attachment. It has a genuine 3/8" capacity Jacobs brand drill chuck, gear driven at a 1 to 1 ratio so your drill runs at maximum efficiency, and requires just 4" of clearance. A 3/8" hex drive input shaft allows for direct connection to your drill. Ball and needle bearing construction for long life. 90-day manufacturer's factory warranty.