The Craftsman name is synonymous with high quality, and the Craftsman 258-pc mechanic's tool set lives up to its name. The set includes an assortment of high-quality steel alloyed tools, perfect for the professional or do-it-yourselfer alike. Whatever your needs, this Craftsman set has what you need to get the job done. And it's all neatly organized in a sturdy, lift-top storage chest with pull-out drawers. This 258-pc mechanic's tool set includes an impressive array of tools for home or shop use: bits, sockets, quick-release ratchets, combo wrenches, hex keys and extensions, plus an adapter, a drive tool and three additional tools. Its 6-point and 12-point sockets come in three drive sizes with and two depths: deep and standard. Made of the finest alloyed steel, these well-crafted combination standard and metric tools will last you a lifetime. The tools in the Craftsman 258-pc mechanic's tool set are crafted of fine alloy steel The set features both standard and metric units Included are 21 bits, 158 sockets (6-point and 12-point), three quick-release ratchets, 28 wrenches, 40 hex keys, 4 extensions, 1 adapter, 1 drive tool and three additional tools Sockets come in 1/4, 3/8 and 1/2 inch drive sizes and deep and standard depth Three universal joints turn standard sockets into flex sockets The set comes in a sturdy storage chest with a convenient lift-top lid Backed the Craftsman Forever Warranty Alloyed steel construction|3 Drive sizes|Universal joints Marking Text Size: Standard Units Type: SAE and Metric Set Size: Large - more than 150 pcs Use: AutomotiveCraftsman