The Jonard Tools AST-10 & AST-118 Armored Cable Slitting Tools are designed to gain mid-span access by slitting open jacketed, and armored fiber optic cables. The tool has an adjustable depth made that will cut through the toughest material while ensuring no damage to the fibers. The tool can be set for Longitudinal cuts as well as radial cuts. All metal construction for the toughest applications.