These toolbox essentials help tighten and loosen the jaws of a keyed drill chuck allowing drill bits to be installed or removed.

• Contents: 4 in 1 Chuck Key.
• This universal Chuck Key is to replace lost or damaged Chuck Keys. Suitable for most drills and other power tools, 1/4", 3/8", 1/2" and 5/8".
• Features a black finished hardened steel.