Strips most non-round shielded cable including Kapton, and Kynar, Teflon, Tefzel and high-temperature insulated cable Spring-loaded head provides even tension Strips cables up to .12 inch (3.05mm) in diameter Fixed blades are sized to insulation for accurate stripping Blades sold seperately TEFLON is a registered trademark of E.I. du Pont de Nemours and Company.