Constructed from high-quality hardened steel alloy with a blast finish, this ICON™ Multi-Spline Screw Extractor Set is specifically designed for professional use. The set includes 15 unique extractors with spiral flutes for enhanced gripping power. As with all ICON™ hand tools, this set comes with a hassle-free lifetime warranty from the manufacturer. With its versatile design, this set can be used with combination wrenches, sockets, or locking pliers and the high visibility etched size markings make identification easy. The spiral flutes allow for deeper engagement with the fastener and improve overall performance.