13mm 1/2 X20 UNF Impact Wrench Conversion Tools For Makita Power Drills Black Mount Keyless Drill Chuck Chucks Features: 13mm 1/2-20UNF keyless chuck. For a 13mm (1/2") drills. Give you great grip when tightening/loosening the head to change over drill bits. Good quality hardened and tempered steel is used for the bit clamps at the head and are toothed to for MAKe sure you have a tight grip on your drill bit. For use on rotary and power drills, cordless drills and drill drivers. in use. High strength and hardness. High quality and new. Specification: Color: Black (As Picture Show) Length: 63mm (Approx) Chuck Capacity: 2mm-13mm Package Contents: 1 * Keyless Drill Chuck Notes: 1,The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2,Please allow slight manual measurement deviation for the data.