Shears for cutting single-core copper conductors with cross-section up to 16 mm², multipolar up to 50 mm² and thin wire up to 70 mm², not usable for steel wire or cold drawn copper cables, with contrast stop to prevent accidental cutting of the fingers. Adjustable screw joint, with return spring and pawl. Tempered stainless steel, Insulated coated handles with thermoplastic resin VDE tested, compliant with EC 60900 DIN EN 60900.