The Tools Exchange 3 PC 1/2″ Drive Black Oxide Extension Bar Set is a high-quality tool set designed specifically for air impact wrenches. Made of durable Crv material and featuring a black oxide surface finish, these extension bars come in sizes of 8″, 6″, and 3″. The set includes 3 pieces, making it versatile for various automotive maintenance and repair tasks. With a drive size of 1/2″, this set is compatible with a range of sockets and is perfect for professionals and DIY enthusiasts alike. Made in Taiwan, this extension bar set ensures reliability and longevity in your tool collection.