Strips and slits 1.0 IN to 1.4 IN (25-35mm) diameter Round Cables. Adjustable cutting depth for insulation up to 0.18 IN (4.5 mm) thick. Swivel blade for circular,longitudinal and spiral cuts. Spare blade in handle. Cable holding clip with integrated edge for removing slit insulation. Laser-trimmed, stainless-steel blade for long use. Slits PVC, Teflon® and THHN.