1Pc 1.5-10mm OR 0.8-10mm 1/4" Hex Shank Drill Chuck Keyless Drilling Quick Change Bit Adapter Converter Woodworking Power Tool

[Specifications]: Thread Mount: 3/8"-24UNF or 1/2"-20UNF Handle: 1/4"(6.35mm) Hex Shank Adapter Clamping Range: 0.8-10mm/1.5-10mm/1.5-13mm/2-13mm [Features]: 1. Easily lock onto and release drill bits. 2. Instantly convert impact driver to hold non-quick change drill & driver bits. 3. Unique torque thrust bearing is easy to handle applied translate into greater clamping force. 4. Use in Automotives, Garages, Warehouses, Offices, Homes and etc. 5. B&C&G is key chuck drill drive accessory. Key drill chuck screwdriver impact driver adaptor. 6. A&D&E&F is keyless drill chuck, for easy bit changes. 7. E&F has unique patented locking function, traditional locking methods, back having ratchet teeth, the locking pieces mounted on the rear sleeve, more effective in preventing work loose off, so that the clamp chuck,more reliably support tools.