US Warehouse - FREE FAST Shipping in USA Product Description: A great accessory for all your drilling tasks Easily change from fastening to drilling with 1/4-inch hex quick connect Conveniently tighten with one hand with the exclusive single sleeve design Constructed with all metal for supreme durability1/4" Hex Quick connect allows users to easily change from fastening to drilling. Single sleeve design allows for single handed tightening. Built with all metal construction for maximum durability. Includes Arbor.1/4" Hex Quick connect allows users to easily change from fastening to drilling. This product is manufactured in Japan. This product meets customer requirement. For use with any 1/4-inch impact driver, the DEWALT DW0521 3/8-inch keyless chuck allows you to effortlessly lock and lock and release bits to help keep you on task on the job. Built with all-metal construction for maximum durability, it features a single-sleeve design that allows for single handed tightening. To install chuck, just slide the collar back from the front of the tool, twist to attach to any 1/4-inch impact driver, and release the collar. The chuck is locked in place. What's in the Box DEWALT DW0521 3/8-inch keyless chuck; operating instructions Thank You for Shopping!