DEWALT Drill Chuck Key: 1/4 in/3/8 in Key Size, 15/64 in Pilot Size, Steel

DeWalt Industrial Tool Company is an American worldwide manufacturer of power tools and hand tools for the construction, manufacturing and woodworking industries. DeWalt is a registered trademark of Black & Decker Inc., a subsidiary of Stanley Black & Decker Shock Resistant Tool Made From Advanced Hardening Steel Advanced hardening process 15/64" Pilot Shank