Drill Chuck1/2-20UNF 213mm Self-Tightening Keyless Hand Drill Chuck Multi-Purpose Drill Chuck

The chuck can hold the drill bit tightly and solidly, not easy to lose.

Durable and long service life, suitable for long time work.

Easy to install and disassemble, more convenient and less laborious.

Wide range of collet sizes from 2~13mm suitable for many types of drill bits.

The keyless and self-tightening type design is more in line with human engineering.