Profile: High Speed and Carbide Ltd. manufactures machine knives. Our packaging knives include flow wrap, over wrap, zig zag knives, crimp jaws, punches & dies, and serrated knives. We offer a full range of industrial razor blades and handles for use in packing and dispatch departments. They include utility, hooked, concave, snap off & safety knives, disposal cutting systems, scalpels, and sharps disposal bins.