Screw Extractor Set, Spiral #1-5, 5-Pc.

5 Piece, #1 - #5, Spiral Screw Extractor Set, 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, #1 Removes Bolts & Screws 3/8"- 5/8", Use 19/64" Drill Bit, #2 Removes Bolts & Screws 5/32"-7/32", Use 7/64" Drill Bit, #3 Removes Bolts & Screws 7/32"-9/32", Use 5/32" Drill Bit, #4 Removes Bolts & Screws 9/32"- 3/8", Use 1/4" Drill Bit, #5 Removes Bolts & Screws 3/8"- 5/8", Use 19/64" Drill Bit, Clam Shell Package.