Irwin® Screw Extractor/Drill Set, Screw Extractor/Drill Set Item, For Removing Studs, Bolts, Screws: 1/8 to 1/2", Includes: Spiral EX1-EX6, Multi-Spline 1/8" to 1/2", LH Cobalt Drill Bits 5/64" to 1/2", Plastic Case, Material: High Carbon Steel and High Speed Steel, 35 Piece
- Designed to remove broken studs, bolts, socket screws and fittings
- Aggressive left hand spiral design for extra gripping power
- Spiral flutes are designed to embed themselves deeper into the metal as you turn the tool, so as the fastener resistance increases, the extractor's grip increases