Craftsman 154 pc Mechanics Tool Set # 35154 Mechanic's Tool Set includes Metric and Standard Tools including (3) Quick Release Ratchets 93 sockets in 1/4, 1/2 and 3/8 in. drive sizes, deep well and standard depths Also includes (12) 12pt Combination Wrenches, 21 screwdriver & nutdriver bits, and 22 hex keys The Mechanic's Tool Set comes in a convenient and portable briefcase-style plastic carrying case