The UST-100 Strips coaxial cable for termination. The UST-205 cartridge (included) is used to strip RG59, RG6, RG6 tri & Quad shield, RG7 & RG11 coaxial cables to specific lengths. The cartridge provides a 2-level strip for F, BNC and RCA connector termination. Removes ¼” Jacket, exposes 5/16” center conductor. Cartridge made with high quality steel blades designed to last over 5000 strips. Tool also comes with a handy black Velcro strip used for folding back the braided shield on the cable.