For fine cutting work, e.g. in electronics and fine mechanics. Sturdy, zero-backlash box joint. Low-friction double spring for gentle and even opening. The polish or mirror polish (only finish 2) together with a fine film of oil offer effective rust protection - no circuit faults caused by peeling chrome from plated tools. Cutting edges additionally induction hardened. High-grade special tool steel, forged, multi stage oil-hardened Model: Round head, with small bevel. Cutting edge hardness approx. 60 HRC.