CRAFTSMAN 51 Piece Standard (SAE) and Metric Combination Gunmetal Chrome Mechanics Tool Set Private Access Mailboxes Square profile Square profile Variable Speed Chuck Size 3 8 In Total Number of Pieces 51 Number of Drive Tools 40 Number of Extensions 1 Number of Sockets 36 Number of Quick Release Ratchets 1 Number of Wrenches 0 Case Type Hard Warranty Lifetime Number of Additional Tools Included 11 1 2 in Drive Ratchet Included No 3 4 in Drive Ratchet Included No Sub Brand N A CA Residents: Prop 65 Warning(s) No Intermediate Socket(s) Included No 1 4 in Drive Ratchet Included No UNSPSC 27113200 Spark Plug Socket(s) Included No Measure Type Standard (SAE) and Metric combination 3 8 in Drive Ratchet Included Yes Finish Gunmetal chrome Drive Type 6 point Deep Socket(s) Included Yes Shallow Socket(s) Included Yes (6) 3 8 in Drive Deep 6 PT Sockets SAE (7 16