Irwin 53401 EX-1 Spiral Screw Extractor

Designed to remove broken studs, Bolts, Socket screws & 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 extractors grip increases. Removes bolts & screws 3/32 inch-5/32 inch. Use 5/64 inch drill bit.