ITEM NAME:New 1/2 in Drive Impact Damaged Bolt / Stud Remover Extractor for Extractin B9O1 New 1/2 in Drive Impact Damaged Bolt / Stud Remover Extractor for Extractin B9O1 The Stud extractor is suitable for use with an 1/2 inch square drive Air Impact Wrench. Manufactured with a Chrome Vanadium Body with Chrome Molybdenum Jaws and will remove broken and damaged threaded studs fast. It will work effectively on broken , rusted , stripped and smooth studs sized between 6 - 13 mm. perfect for removing stripped, rusted, broken or smooth studs. Hex drive can be a driver with a wrench, ratchet, or impact tool. specification Color: silver + black Scope of application: 6-13mm Material: Metal Include: 1x Stud Extractor