Quality 13mm 1/2 X 20 UNF Keyless Chuck For Bosch / Power Drills Ect.
13mm 1/2-20UNF keyless chuck. For use on rotary and power drills, cordless drills and drill drivers. For a 13mm (1/2") drills. 1 Keyless Drill Chuck. High strength and hardness. Chuck Capacity: 2mm-13mm.