Kobalt 227-Piece Standard/Metric Mechanics Tool Set with Case 86756 Contains 117 commonly used 6-pt and 12-pt sockets, 3 ratchets, 4 extensions, 30 combination wrenches Also includes 40 hex keys, and 33 assorted tools Sockets are constructed of chrome vanadium steel for strength and durability Quick-release button on ratchet allows for rapid socket and/or accessory change All tools come with Kobalt's Lifetime Hassle-Free Warranty