Package Contents: you will get 6 pieces of keyless drill press chuck kits, useful to help you lock your accessories stably, saving your time and energy; Please attention chuck can not be applied counterclockwiseMount: the drill chuck is 1/2 inch, and the capacity range is 1.5-13 mm, suitable for impact drills and electric driverQuick to : the socket converter kit can hold on twist drill bits securely, can be applied to fix such as step drill bits, paddle bits or larger circular saw and more, contained with 3 different sizes and shapes of drill chuck extension easier to quick to different driver , very practical in daily workingSturdy Material: drill converter conversion tool is made of good threaded and tapered tightly with rust-resistant coating body and sleeve electrophoretic enamel coating, applicable for heavy drilling operations, not easy to break or deform, supporting for a long time Wide Applications: the drill chuck adapter converter kit is quick for you to install it onto cordless drill without the need for or extra to install the drill bits, widely applied for impact wrench, wireless screwdriver, impact screwdriver and so on.Notes:displays.Contain pointed objects, please keep from children.Material: Metalcolour: blackPackage Contents:1 set x hex adapterOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.