For stripping all standard round cables 4 ~ 16 mm (5/32" ~ 5/8"). Knifes with special Titanium-Nitride coating (TIN) to achieve longer life, faster cutting and less wear. The large adjustment screw allows for effortless adjustments. Automatic adjustment from round~ to length cut. Including TIN coated spare blade in the handle. TUV / GS-approved.. . . . . . . . .