The Irwin Lock-n-Load Quick Change Extension Bit Holders have a LOCK-N-LOAD™ System for one-handed quick release. The jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits.
A carbon steel construction sleeve and body ensures durabilty and long life.
Irwin Lock-n-Load Quick Change Extension Bit Holder
Insert bit: 3/8 inch.