Jonard Tools CSP-F5 Cable Slitter (Thin Walled Fiber)Highlights: Ultra sharp blade slits through 5 mm thin walled jacketed & flame retardant fiber with ease Guide blocks hold the cable in place for accurate and precise cable slitting Set screws on blade block makes it quick and easy to replace the blade Features: Spring loaded ergonomic handles Fixed blade prevents damage to the internal fibers, with no adjustments needed Jonard Tools CSP F5 Cable Slitter is designed for clean, accurate slitting of 5 mm