1/4" Shank allows for use in any chuck or impact driver. Rated up to 2000 in/lb. (Inches per pound) of torque for tightening, loosening, and boring applications. The head pivots up to 20 deg. For use in corners and other tight locations. Locking collar allows for straight or angled driving. Works on all drywall guns. This product is manufactured in china. This product meets customer requirement.