1/2" Keyless Chuck Conversion Hex Shank Adapter Drill Bit Quick Change DriverFeature:Durable and PracticalTwo types of keyless drill chuck, one coat is made of plastic while another is made of iron.Short handle reduces the overall length so that it can behold easily.The specially designed non-slip pattern of the handle is comfortable for operating.Wide UsageSuitable for clipping 0.059 "x0.51" OR 1/5" - 1/2" drill bits, it is precise, accurate, efficient, and tightly.Suitable for various AC and DC electric power drills or standard impact drivers.Easy to ClampThe unique thrust bearing is easy to convert the torque into a greater clamping force.Specification:Model: 1/2-20UNFSurface Material: Plastic or IronPlastic Chuck Range: 1/5" - 1/2" Drill BitsIron Chuck Range: 0.059 "x0.51" Drill BitsPackage Content:1 X Chuck1 X Connecting RodBrand UnbrandedType Drill BitMPN Does not applyColor BlackOn Jul 21, 2023 at 15:41:33 PDT, seller added the following information: