Product Summary The Cal-Hawk 5 – Piece Extension Bar Set includes a variety of extensions made from drop-forged steel for strength and long-lasting performance. The chrome-plated finish provides resistance to corrosion. The chamfered lead-in on both ends allows for quick and easy attachment to the drive tools and sockets. Features Packaging Length: 12.63″ Construction: Carbon steel Packaging: Carded Pack Drop-forged carbon steel construction Full polished and chrome-plated for durability Spring loaded ball bearing hold sockets securely Includes: 3/8″ Drive x 10″ Long, 3/8″ Drive x 6″ Long, 3/8″ Drive x 3″ Long Includes: 1/4″ Drive x 6″ Long, 1/4″ Drive x 3″ Long Category:Tools > Sockets & Ratchets > Extension Bars