ITEM NAME:0.3-3.6mm Impact Driver Keyless Drill Bit Chuck Adapter Converter 1/4 Descriptio n Specification: Material: Alloy Color: Black Size: 4.7cm Clamping range: 0.3 to 3.6mm Product list: 1x Hexagon Shank Drill Chuck High quality buy, happy buyï ¼ 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. High quality buy, happy buyï ¼ .