1/2″(13mm) 413-1M ECO Professional Keyless Drill Chuck with Locking System Single Metal Sleeve

? ECO Ratchet Locking System Technology. Professional Ratchet Locking System, affordable Pro-Locking System inside, good bit holding performance

? “Click” Technology. Provides audible and tactile feedback when chuck is properly tightening.

? “Anti-Lock” Technology. Prevents chuck from locking open at max. capacity.

? Pro-locking Design, applied to professional tool. 18V or above DC drill and hammer drill.