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 Up to 8-10 MIL insulation thickness Blade included Cat. No. K-6493 TEFLON is a registered trademark of E.I. du Pont de Nemours and Company.