The Duralast 61-750 90-Piece Multiple Drive Ratchet/Socket SAE/Metric Tool Set is a comprehensive set of hand tools designed for automotive use. This set includes various sizes of sockets in both SAE and metric measurements, ranging from 10mm to 1/4in. The drive type is 6 point, providing a secure grip on nuts and bolts. With a focus on durability and quality, this tool set is a valuable addition to any mechanic's toolbox.open box but not used. Complete set