The 25-pc Multi-Spline Screw Extractor Set, No. 44200, from Cal-Van Tools, is ideal for removing broken screws, bolts, nuts, fittings, and threaded rods. The set features chamfered bits to ensure a smooth fit into damaged fasteners and high-density spiral designs to quickly remove fasteners. The bits are made with hardened chrome molybdenum steel and can be used with power or hand tools.