Crescent 20 Piece Standard (SAE) and Metric Black Oxide Mechanics Tool Set Package Storage draw studs 3 Rail Vinyl Gates draw studs of bolt breakaway torque for fast removal providing more efficiency and access in tight situations Enclosed ratchet head design for improved reliability in the harshest environments Teardrop low profile head and flush mounted lever is up to 21 percent slimmer than the competition 6 Point sockets with off corner loading technology reduces fastener rounding High contrast colored rings on sockets allow you to quickly identify between SAE and Metric sizes Knurling on the ratchet and sockets give you better grip and control in slippery circumstances Exceeds ASME performance specs Total Number of Pieces 20 Number of Drive Tools 0 Number of Extensions 1 Number of Sockets 18 Number of Quick Release Ratchets 1 Number of Wrenches 0 Case Type N A (no case) Warranty Limited lifetime Number of Additional Tools Included 0 1 2 in Drive Ratchet Included No 3 4 in Drive Ratchet Included No Sub Brand N A 1 4 in Drive Ratchet Included No CA Residents: Prop 65 Warning(s) No Intermediate Socket(s) Included Yes UNSPSC 27113200 Spark Plug Socket(s) Included No Finish Black oxide Measure Type Standard (SAE) and Metric Deep Socket(s) Included No 3 8 in Drive Ratchet Included Yes Drive Type 6 point Shallow Socket(s) Included Yes