Miller's professional grade tool, ideal for slitting the corrugated copper, steel or aluminum armor layer on fiber feeder, central tube, stranded loose tube fiber optic cables and other armored cables. Tool slits outer polyethylene jacket and armor in one operation. Performs longitudinal slitting and circumferential (ringing) for end stripping blade rotates 90° by activating blade lever, allowing easy mid-span preparation (ringing and slitting). Adjustable from 0.315” (8 mm) to 1.125” (28.6 mm) cable O.D. Adjustable blade depths to accommodate different cable coverings “roller” style cable follower provides cable stability and allows for easier tool movement along the cable rugged anodized aluminum and steel construction.