IVY Classic Chrome Alloy-Steel Spiral Screw Extractors are designed to remove broken screws, bolts and studs. These screw extractors are constructed out of Chrome Alloy-Steel for strength and longevity. They featured a tapered left hand spiral flute to grip the screw firmly. The polished body and sandblasted flute prevents rust. IVY Classic Industries is dedicated to producing a comprehensive, quality line of power tool accessories and hand tools.