Die-type blades; For accuracy and precision to meet tough MIL-specs; Strips both solid or stranded wire; For Type E TEFLON (600V). Contains short stop latch and wire stop; Investment cast steel frame; Lifetime warranty. Die-type blades allow precision stripping; Contains counterbored hole sized to insulation and inner stripping hole sized to conductor. Die-types blades manufactured to assure accuracy and precision to meet tough MIL-Specs.