Kobalt Universal 38 Piece Standard (SAE) and Metric Combination Matte Mechanics Tool Set Splitting Maul Recessed screw holding table insert and work surfaces in Recessed screw holding table insert Center to center measurement (distance between the drill holes): 7 9 16 in Total Number of Pieces 38 Number of Drive Tools 35 Number of Extensions 2 Number of Sockets 35 Number of Quick Release Ratchets 1 Number of Wrenches 0 Case Type Hard Warranty Lifetime Number of Additional Tools Included 0 1 2 in Drive Ratchet Included No 3 4 in Drive Ratchet Included No Sub Brand Universal CA Residents: Prop 65 Warning(s) Yes 1 4 in Drive Ratchet Included No Intermediate Socket(s) Included No UNSPSC 27113200 Drive Type Spline Finish Matte Spark Plug Socket(s) Included No Measure Type Standard (SAE) and Metric combination 3 8 in Drive Ratchet Included Yes Deep Socket(s) Included Yes Shallow Socket(s) Included Yes and a 72 tooth