Package include: you will receive drill chuck adapter kits, including 1 drill chuck adapter, 4 way chuck key, 1/4 inch hex drive, 1/2 inch socket square converter, 1/4 inch adapter round shank, they are suitable for your multiple tool connector needs Nice design: our drill chuck adapter has three-jaw chunk design with a fixed range of 1.5-10 mm(1/16 inch-3/8 inch), which can firmly secure twist bits, step bits, paddle bits and some circle saws, it can bring you a convenience when you are working Widely compatibility: our drill chuck adapter tool suitable for gyro-screwdriver, wireless screwdriver, impact screwdriver, impact wrench and some angular polishing machines, compatible with , , , , and other Useful combination: with our chuck adapter and 4 tools, you can get an useful combination and help you lock your accessory more stable, so save your time and energy to pick tools or complicated work procedure material: the drill chuck is made of zinc alloy, and sturdy, you can use it at ease and for a long time and you can turn the wrench to perform drilling easily Material: steel Size: 10mm Color: black + silver Package includes: 1 x Drill chuck adapter 1 x 4 Way chuck key 1 x 1/4 Inch hex drive 1 x 1/2 Inch socket square converter 1 x 1/4 Inch adapter round shank Note: The we mentioned not for trade mark using, just for explaining the suitability of the product. Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.