HAN53607 Features: -Made from rugged, high carbon steel to handle the stress of removing bolts.-Extractor size and recommended drill bit size are etched on each tool for easy identification.-Ideal for soft materials or thin-walled pieces such as pipe and fittings.-Will not expand soft material being removed resulting in easier removal.-After drilling hole with either right or left-handed drill bit, (left is recommended) insert extractor, turn counter clockwise.-Grips into sides of drill hole and removes broken part without damaging the threaded holeSpecs:.-Recommended tap wrench: TR-98.-Use drill size: 9/16".-Removes bolts and screws: 7/8", 22mm, 5/8"BSP.-Carded. Specifications: -Straight Flute ST-7 Screw Extractor 9/16" TR-98 Carded. Warranty: -Lifetime warranty does not cover abuse.