Check the listing for details. 7Pcs 1/2" Twist Socket 5 Damaged Worn Lug Nut Lock Remover Bolt Extractor Set. Condition: New. Listed at 26.13 USD. HomePaymentShippingAbout usContact usDetails Description: 100% Brand New,never been used Twist Sockets Set allows you to bite into and remove worn locking nuts to quickly dislodge them even when rusted, deformed, stripped, or broken. 1/2-inch square drive fits your wrench drives; For use with ratchet, breaker bar, or hand wrench (not included); Not compatible with impact tools. These lightweight twist socket nut extractors includes 17mm, 19mm, 21mm, 22mm 26mm bolt.Also includes a 12MM drift punch nut removal bar to easily pop a removed nut from your extraction sockets. Choose an appropriate twist ratchet socket,then hit it with a hammer onto the damaged nut; Use a manual wrench to loosen the nut counterclockwise; Specification: Material: Chromium Vanadium Steel ( has more good wear resistance and toughness than Chromium-molybdenum steel , the former is commonly used in Socket , the latter used for Screwdriver) Size: Driver size: 1/2" Straight bar diameter: 12mm/0.47" The set includes SAE sizes - 11/16”, 3/4” , 5/6" , 7/8", 1" Metric sizes – 17mm, 19mm, 21mm, 22mm 26mm. Package included: 5x Twist sockets (17mm, 19mm, 21mm, 22mm ,26mm ) 1x 12mm straight rod 1x Case As picture show