DEWALT Drill Chuck for Impact Driver, Quick Connect (DW0521) -- 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. Warranty This DEWALT tool is backed by three-year limited warranty covering any defects due to faulty materials or workmanship (from the date of purchase). It's also covered by DEWALT's one-year free service contract, where DEWALT will maintain the tool and replace worn parts caused by normal use--for free. What's in the Box DEWALT DW0521 3/8-inch keyless chuck; operating instructionsDesigned for use with any 1/4-inch impact driver (view larger). Product Description DEWALT DW0521 3/8IN KEYLESS IMPACT CHUCK From the Manufacturer DEWALT DW0521 Quick Connect Impact Driver Conversion Chuck Features 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 durability Comes with DEWALT 90 day warranty and 1 year free service contract USA SHIPPING estimates delivery times and we work to get your item to you as quickly as possible and within those times, but please know it may take slightly longer than the estimate.