The Craftsman Mach Series 83-pc. Mechanics Tool Set includes a ratchet with fast drive technology, which makes this ratchet 16 times more efficient, according to the company. This set also includes the Mach Series adjustable wrench, which combines three tools in one (push twisting screwdriver, ratcheting screwdriver and 3/8" drive ratchet) and crank bit driver, along with various adapters and sockets. The set includes an easy-to-carry case, a lifetime hand tool warranty and more.