This Crescent Mechanics Tool Set has a wide selection of tools to get you started. Inside the tool set is a 3/8″ and 1/4″ drive ratchet with 1/4″ & 3/8″ x 3″ extensions; 32 SAE and metric sockets; 8 SAE hex key set; 23 SAE and metric combinations wrenches and a multi-bit DuraDriver screwdriver with 12 bits. The CTK70MP comes in a high impact plastic case and all tools meet ANSI ASME specifications.