The Kobalt 227-Piece Mechanics Tool Set contains 117 commonly used 6-pt and 12-pt sockets, 3 ratchets, 4 extensions, 30 combination wrenches, 40 hex keys, and 33 assorted tools. Sockets are constructed of chrome vanadium steel for strength and durability with a high-polish finish. Easy-to-read laser-etched size callouts with a color coded stripe to identify SAE red and Metric blue for both sockets and wrenches. Quick-release button on ratchet allows for rapid socket and/or accessory change. Fine 72-tooth design provides 5 of arc swing. Organized in a 3-Drawer blow molded case with top latches, folding top carry handle and 2 side carry handles that includes Zerust vapor corrosion inhibitors to protect your tools from rust and corrosion. All tools come with Kobalt's Lifetime Hassle-Free Warranty. Made in Taiwan.