Craftsman 83-Piece Standard SAE / METRIC Mechanics Tool Socket Set. 83 pc 1/4-in and 3/8-in Drive Mechanics Tool Set comes equipped with 72 Tooth ratchets, a broad assortment of drive tools, and a rugged blow mold case. This case is constructed with metal hinges for separate sets, and the dimensions are specifically designed to fit into CRAFTSMAN? Metal storage boxes for easy organization. 83 pc set includes (10) 1/4-in Drive Shallow 6 PT Sockets SAE (5/32, 3/16,7/32, 1/4, 9/32, 5/16, 11/32, 3/8, 7/16, 1/2-in), (9) 1/4-in Drive Shallow 6 PT Sockets Metric (4, 5, 6, 7, 8, 9, 10, 11, 12mm), (10) 3/8-in Drive Shallow 6 PT Sockets SAE (1/4, 5/16, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4, 13/16-in), (10) 3/8-in Drive Shallow 6 PT Sockets Metric (10, 11, 12, 13, 14, 15, 16, 17, 18, 19mm), (5) 3/8-in Drive Deep 6 PT Sockets SAE (3/8, 7/16, 1/2, 9/16, 5/8-in), (5) 3/8-in Drive Deep 6 PT Sockets Metric (10, 12, 13, 14, 15mm), (1) 1/4-in Drive Ext Bar (3-in), (1) 3/8-in Drive Ext Bar (6-in), (16) Short Arm Hex Keys, (1) 1/4-in Drive Ratchet, (1) 3/8-in Drive Ratchet, (1) 3/8-in Drive Size Adapter(1/4-in), (1) 3/8-in Drive Universal Joint, (10) Specialty Bits, (1) 1/4-in Drive Bit Driver and (1) 3/8-in Drive Spark Plug Socket (5/8-in). Large markings for quick socket identification. Includes 72 tooth ratchets in 2 drive sizes for increased access and minimal arc swing. Full polish chrome finish for corrosion resistance. 6 point socket for increased torque with fastener. Durable blow molded case allows for easy tool storage. Common applications include automotive mechanical and home repair. Includes ten 1/4-in Dr shallow 6 PT sockets SAE – 5/32-in, 3/16-in, 7/32-in, 1/4-in, 9/32-in, 5/16-in, 11/32-in, 3/8-in, 7/16-in, 1/2 In.