Design: DIN ISO 5749. Made of chrome-vanadium high-performance steel, hardened and tempered in oil, chrome-plated head, blades additionally inductively hardened (64 HRC). With high purchase, 20% reduced effort due to the improved leverage ratio when compared with normal side-cutting pliers of the same length. With welded-on hinge axle for heavy-duty use. Plastic-coated handles, insulated up to 1000 V, according to IEC 60900, DIN EN 60900, VDE 0682/Part 201.