Wire Loom Cable Insertion Tool for 3/8" to 1/2" - Model CM08 For use with Wire Loom: 3/8" to 1/2" | Slit Harness Wrap: 3/8" | Woven Wrap-Around: 5/16" Max Cable Bundle Size: 0.315" Use for fast cable insertion while keeping fingers safe Used by DIY'ers, mechanics and electricians