- Carbon steel construction sleeve and body for durability and life
- Lock-n-load system for one-handed quick release
- Patented jaw design holds bits securely on 6-flatted shanks, as well as ball detent bits
- 1/4-In quick change range now holds insert bits; magnetic for holding
![Irwin® Lock-n-Load Quick Change Extensions, 1/4", 12" OAL, #IR-4935705 (6/Pkg) Irwin® Lock-n-Load Quick Change Extensions, 1/4", 12" OAL, #IR-4935705 (6/Pkg)](https://cdn11.bigcommerce.com/s-gdy1ehz/images/stencil/500x659/products/260654/449006/Untitled_design_-_2022-11-23T151833.307__93025.1669238323.jpg?c=2)