When you’re working on tough projects under the hood, you need tools like the Craftsman 348-piece Mechanics Tool Set on-hand to help you get the job done well and done right. Built to pull spark plugs, torque down headers, strap-in engine blocks and tighten drain bolts, this tool set is crafted to withstand the most demanding jobs you’ve got in mind. A solid addition to every garage be it professional or home based, the Craftsman 348-piece mechanics tool set packs tools precision machined from high strength alloyed steel built for a lifetime of heavy torqueing. Featuring the 84 tooth ratchets that turn sockets with a 4.5 degree arc, and reversible ratcheting wrenches this is a set made to help you work faster and do more. With tools like an obstruction wrench, stubby screwdrivers and angle adapters that grant you access to tight spaces, whether you’re stuffed behind an appliance or elbow-deep under the hood, this set gets the job done while the assurance of Craftsman’s Lifetime Guarantee keeps you working for life. Three drive sizes with 1/4, 3/8 + 1/2-Inch drives ACCESS into tight areas with thin-profile quick,release ratchets Ratchets feature quick-release mechanium with one hand reversing lever SPEED up your job with reversible ratcheting combination wrenches Durable alloyed steel construction Craftsman Lifetime Warranty Contents Include: 209 – Sockets (1/4, 3/8 + 1/2-Inch Drive) 4 – Spark Plug Sockets (3/8-Inch Drive) 3 – Quick-Release Ratchets (1/4, 3/8 + 1/2-Inch Drive) 8 – Extension Bars (1/4, 3/8 + 1/2-Inch Drive) 3 – Adapters 3 – Universal Joints 16 – Ratcheting Combination Wrenches (Inch and Metric) 7 – Full Polish Combination Wrenches (Inch and Metric) 8 – Flare Nut Wrenches (Inch and Metric) 5 – Tappet Wrenches (Inch) 1 – Obstruction Wrench 20 – Ignition Combination Wrenches (Inch and Metric) 8 – Screwdrivers 1 – Magnetic Handle 12 – Nut Driver Bits (Inch and Metric) 40 – Hex Keys (Inch and Metric)