Hex Shank For Power Impact Driver Mini Keyless Drill Bit Chuck Adapter Specification: color: Black/Silver material: Alloy item type: Drill Bit size: Color :Black/Silver Black Small /Silver Small : 0-3mm Black Big/Silver Big : 0.3-6.5mm length: 44mm/1.73in, joint: 5mm/0.2in, clamping range: 0.3-6.5mm Colour: Sliver Chuck Diameter: 1/4inch Overall Size: 0-3mm Dia. Description: Keyless Drill Bit Chuck Adapter Converter Hex Shank Power Tool Instantly convert impact driver to hold non-quick change drill and driver bits. Quickly convert your quick change hex shank driver into a drill! Keyless chuck finger-tightens for easy bit changes. Unlimited Use in Automotives, Garages, Warehouses, Offices, Homes etc Package included : 1 x Chuck Quick Change Adapter