25 Piece Multi Spline Extractor Set Ideal set to remove broken screws, bolts, nuts, fittings, threaded rods. Chamfered bit ensures a smooth fit into damaged fasteners. High density spiral design to remove fasteners quickly. Professional grade hardened Chrome Molybdenum steel. Can be used with power and hand tools. Chamfered bit ensures a smooth fit into damaged fasteners. High density spiral design to remove fasteners quickly. Professional grade hardened Chrome Molybdenum steel. Can be used with power and hand tools 44200