You are looking at JONARD UST-1596 
Coax Cable Stripper for RG59/RG6/RG6 Tri & Quad Shield Cables

The UST-1596 Strips coaxial cable for termination. The UST-210 cartridge (included) is used to strip RG59, RG6, RG6 tri & Quad shield, coaxial cables to specific lengths. The cartridge is double sided providing twice the stripping applications before requiring replacement. The cartridge provides a 2-level strip for F, BNC and RCA connector termination. Removes ¼” Jacket, exposes 5/16” center conductor, the cartridge has a strip stop insuring consistent strip lengths.  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.