Irwin POWER-GRIP 53603 Screw Extractor, ST-3 Extractor, 7/16 in, 1/8 in NPT, 10 mm, 1/8 in BSP Bolt/Screw, Steel

Made from rugged, high carbon steel for use in soft materials or thin-walled pieces such as pipe and fittings. Able to remove left-hand bolts as well as right-hand bolts. Extractor size and recommended drill bit size are etched on each tool for easy identification.