This 59 piece socket set is sure to get multiple jobs done. With 59 pieces including all standard and deep length 12 point sockets, a 72 tooth quick release ratchet, 2 wobble extensions neatly placed in a molded storage case, this set is versatile and can get the jobs done you need accomplished. Duo-Socket sets feature a removable cover allowing you to use the bottom tray as a tool box organizer. All Duo-Sockets are marked by both a a roll stamp and a large laser etching on the opposite side, providing readability for a lifetime. The included Precision Drive Ratchet features an ergonomically designed handle to add comfort in all working conditions, as well as the ratchet providing unmatched smooth performance and durability. The ratchet"s quick release button prevents an accidental release of the socket. The ratchet"s low profile design allows greater access to confined areas without catching onto items in the work area. The wobble extension provides 15 degrees of deflection and can also be locked straight for normal use. Socket Drive Size: 3/8 Inch. System of Measurement Fractional, Metric. Number of Sockets in Set 56. Socket Size:s Included 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8", 15/16", 1", 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm, 14mm, 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm. Socket / Driver Rating Standard. Socket Length Deep, Standard. Case Type Molded Storage Case.