Description: 6mm Keyless Drill Bit Chuck Hex Shank Adapter 0.3-3.6mm Drill Bit Converter For Rotary Tool   Specifications: Material: Carbon Steel Length: Approx. 5cm\/1.96!#!amp!*!quot; Hex Shank Diameter: Approx. 6mm\/0.23!#!amp!*!quot; Holding rate: 0.3-3.6mm Finger diameter: Approx. 17mm\/0.66!#!amp!*!quot; Quantity: 1pc   Features: -Conversion multifunction electric mill chuck. -Easy to use、 wide clamping range、 durable. -When installing the cartridge、 first tighten and then loosen a bit to adjust to parallel jaw、 and finally install the drill、 so you can jump to a minimum. -Suitable for using in Automotives、 Garages、 Warehouses、 Offices、 Homes etc.   Package Included: 1pc x Electric Mill Chuck   More Details: