The HART 160 PC. Mechanics Tool Set has all the essentials you need for basic auto repair and home maintenance??and then some! With ratchets . adapters . drivers and bits as well as an extensive array of standard and deep well sockets in both metric and SAE for general mechanical tasks. The 90-tooth ratchets allow up to 20% more access in tight spaces while the reverse switch lever allows you to change working direction with just one hand. In addition . the quick release offers superior socket hold. Its full-chrome finish is rust-resistant and sockets include large size markings. Another plus is the storage case. The inside compartments make it easy to organize your tools and the case is super durable with metal latches and barrel hinges. Set includes: (10) tools and adaptors . (3) Spark Plug Sockets . Insert Bits . Hex Keys . Nut Driver Bits . 1/4?? standard and deep well sockets . 3/8?? standard and deep well sockets.