Design: DIN ISO 5749.Made of chromium-vanadium high-performance steel, hardened and tempered in oil. Head polished and angled at 12°,blades additionally inductively hardened (64 HRC). With high purchase, 20 % reduced effort thanks 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.