※S2 steel blade shaft, top-grade tool, special heat treatment, super hardness and toughness, high torque strength, more durable, high precision of blades, with tight screws, strong magnetism; ※Handle: Made of high-quality engineering plastics, with non-slip convex dot design, oil-resistant, non-slip, impact-resistant, wear-resistant, and strong toughness, it is the best choice for professional mechanics; ※The design conforms to ergonomics, providing comfortable grip; ※Produced to exceed international standards, reaching international high-end quality levels.