Keyless Drill Chuck 1/2in 20UNF Self Tightening Impact Wrench Locking

1 Self Locking: The electric drill chuck is self locking, can be used directly after replacing on the electric drill and tightened 2 Stable Connection: The precise drill chuck body ensures a tight and stable connection, the fine and strict processing guarantees its long service life 3 ABS and High Carbon Steel: The drill chuck is made of high quality ABS and high carbon steel, which is wear resistant and durable 4 With Adapter: This drill chuck provides adapter to securely attach a drill chuck and impact wrench, converting the impact driver to drill bit 5 Standard Thread: The connecting thread is 1/2in 20UNF with standard size, the drill chuck has wide clamping range, which is 2-13mm

What's in the box
1 x Drill Chuck