Material: Drop Forged Special Tool Steel, Fully hardened and tempered blades are induction-hardened Polished head Chrome plated to EN12540 two-component plastic handles with slip guard 7 different functions more notches Ergonomic shape of the handle Extra strong grip Extra Strong Hold thanks to the design and the shape of the handles, more stability and secure transfer of power. High durability Multi serrated jaws eliminate the problem of your thumb slipping off and provides a better hold of cables, cables etc. bending of hard wire and making eyelets diameter of up to 3, 5 mm notches on both side of the jaws. The grip of sensitive surfaces, with the ground part of the jaws. The pliers can be used for crimping insulated terminals pulling insulation diameter: 2, 2 mm, diameter of up to 3, 0 mm removal of the insulation diameter 3, 5 mm diameter of up to 4, 0 mm book cut wire diameter 2.2 mm up to 4, 0 mm squeeze from cable contacts Up to 4, 0 mm