• Pruduct: 2-13mm Heavy Duty Keyless Drill Chuck Quick Change Converter 1/2"-20UNF Thread
• Specifications: 1/2--20UNF
• Clamping range: 2-13mm
• Purpose: used for electric wrench to convert three jaw chuck, can turns to perform drilling functions
• Features: high precision threads ensure tight and stable connecting

Optional1x Drill Chuck, 1x Electric Wrench Adapter, 1x Electric Screwdriver Adapter, 1x Electric Hammer Adapter1x Drill Chuck, 1x Electric Wrench Adapter, 1x Adapter