Wire Loom Cable Insertion Tool for 1" to 1-1/4" - Model CM20 For use with Wire Loom: 1" to 1-1/4" | Slit Harness Wrap: 3/4" | Woven Wrap-Around: 3/4" to 1" Max Cable Bundle Size: 0.787" Use for fast cable insertion while keeping fingers safe Used by DIY'ers, mechanics and electricians