ERGO 21HDG Heavy Duty Side Cutting Plier is developed according to the scientific ERGO 21HDG process. High performance alloy steel, ERGO 21HDG handles with 2-component combination, thermoplastic surface on tough polypropylene which gives superior grip. Screw joint that provides excellent running and accurate alignment of the cutting edges. The distance from the joint to the centre of the cutting edges is reduced: giving greater leverage and increased cutting capacity. Metal frame designed to enhance accessibility in confined spaces. Equipped with a patented return spring featuring an on/off function.