Be Ready to Do Your Best Work. With the Craftsman 56-Piece Universal Mechanic's Tool Set, you have the tools you need to get the job done right the first time. Whether tightening bolts or replacing brakes, this tool set makes your time under the hood more efficient. All 56 pieces stay secure in a durable, lightweight case. This kit also includes both inch and metric sizes. Universal Design means the tools are compatible on 6 different types of fasteners, including 6-Point, 12-Point, square, spline, Torx & partially rounded fasteners Set includes 9 inch sockets, 9 metric sockets, 3/8 in. drive ratchet, 7 inch wrenches, 7 metric wrenches, 3 in. socket extension & magnetic screwdriver socket with 10 screwdriver bits and 11 in. hex keys Ratchet features 45 durable teeth for cranking and fluidity while turning on a mere 8 Degrees to work in the tightest of spots with ease Includes: (9) Inch Sockets,(9) Metric Sockets,(1) 3/8 in. Drive Ratchet,(7) Inch Wrenches,(7) Metric Wrenches,(1) 3 in. Socket Extension,(1) Magnetic Screwdriver Socket,(10) Screwdriver Bits,(11) Inch Hex Keys,Case.