ITEM NAME:0.3-6.5mm Impact Driver Keyless Drill Bit Chuck Adapter Converter 1/4 fdg Descriptio n Specification: Material: Alloy Color: Black Size: 4.7cm Clamping range: 0.3 to 3.6mm Product list: 1x Hexagon Shank Drill Chuck Whatever the ending's perfect or not, you can't disappear from my world Drill chuck with hexagonal handle.Product list: 1x Hexagon Shank Drill Chuck. Drill chuck with hexagonal handle. We want to make sure you are happy with our item. Goods without RMA number will NOT be accepted. Color: Black. We'd like to settle any problem in a friendly manner.