- for single, multiple and fine stranded cables having a diameter from 0.1 up to 0.8 mm, with plastic or rubber insulation\n- easy adjustment to the required diameter of solid or stranded wire with knurled screw and lock nut\n- with opening spring\n- the mirror polish together with a fine film of oil offer effective rust protection - no circuit faults caused by peeling chrome from plated tools\n- Special tool steel, forged, oil-hardened