#4 Spir Screw Extractor

#4, Spiral Screw Extractor, Designed To Remove Broken Studs, Bolts, Socket Screws & Fittings, Spiral Flutes Are Designed To Embed Themselves Deeper Into The Metal As You Turn The Tool, As The Fastener Resistance Increases The Extractor's Grip Increases, Removes Bolts & Screws 9/32"-3/8", Use 1/4"" Drill Bit, Clam Shell Package.