Manufacturer: WADFOW. Total number of pieces: 211 PCS/SET. Socket sizes (bits): Includes 1/2 inch and 1/4 inch hexagonal (6PT) sizes. Design: Durable blue metal cart with 7 spacious drawers for tool organization, and it has 4 strong wheels (two with brakes) and a side handle for easy transport and steering. Tool Explanation and Usage This tool is an integrated mobile workshop (Tool Cabinet Set), bringing together all the essential hand tools a technician needs in one organized place.