Jonard Tools are designed for easy and effective stripping of round cable outer jackets. Performs longitudinal and spiral cuts for end and mid-span stripping, as well as circular cuts for jacket removal. Suitable for various materials, including PVC, rubber, and polyethylene. A black adjustment knob sets the blade depth precisely for ideal results. A spring-loaded holder secures cables from 3/16 to 1 ⅛ inches in diameter. Works on jacket thicknesses from 0.004 to 0.12 inches. Replaceable blades provide long-lasting durability.