ITEM NAME:4.7 cm Alloy Hex Shank Drill Bit Chuck Adapter Converter Quick Change Tool VOJ Descriptio n Specification: Material: Alloy Color: Black Size: 4.7cm Clamping range: 0.3 to 3.6mm Product list: 1x Hexagon Shank Drill Chuck We offer you what you need! Drill chuck with hexagonal handle.Product list: 1x Hexagon Shank Drill Chuck. Drill chuck with hexagonal handle. We'd like to settle any problem in a friendly manner. Material: Alloy. Size: 4.7cm. Clamping range: 0.3 to 3.6mm. We want to make sure you are happy with our item.