Genuine single-hand operation, with optimum transfer of force. Handles ergonomically designed for fatigue-free constant use. Little hand pressure required even at maximum loading. For step-by-step cutting with burr-free cut, may be opened in every cutting position. With locking lever. Tool body in high-tensile special steel Cutting edges and important functional parts tempered or specially hardened Red plastic handles insulated Individually tested, insulation up to 1000 V V 8091-320: single-core cable, max. 25 mm (1"), multi-core cable, max. 32 mm (1.1/4") V 8091-500: multi-core cable, max. 52 mm (2.1/32") No. V 8091-500: Stranded cables max. 52 mm (2.1/32")