Coring, Stripping & Chamfering Tool with 3/8ʺ Drill Adapter for .840TX coaxial cable. Combination tool quickly strips the sheath & cores the dielectric on cables in one precise operation Durable, all-metal construction with color-coded guide sleeves provide easy identification Heat-treated sheath cutting blade produces a smooth, beveled edge & can be replaced Strip stops available for strip lengths of 0.5″ to 2″ (12.7 to 50.8 mm) Standard models feature a "T" handle with a built-in 3/8″ drill adapter & ratchet models feature a ratchet "T" handle with a separate 3/8″ drill adapter for manual or drill operations