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.
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.
DEWALT DW0521 3/8-inch keyless chuck; operating instructions
Designed for use with any 1/4-inch impact driver (view larger).