McMaster 7874N106 12-Point Socket Set with Drive Tool, 3/8" Square Drive, 34 Pieces

Made in the U.S.A., these tools handle the toughest industrial applications, provide the best grip on fasteners, and have a superior finish. The 12-point shape quickly positions on hex fasteners. Set Type Sockets with Drive Tools System of Measurement Inch Socket Type Socket Socket Style Standard Drive Type Manual Square Drive Size 3/8" Socket Shape 12-Point Bolt Clearance Style Standard, Deep For Drive Style External Hex, External 12-Point Number of Pieces 34 Components Included 30 Sockets1 Drive Tool2 ExtensionsUniversal Joint Includes Standard Sockets: 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"Standard Sockets: 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 17 mm, 18 mm, 19 mmDeep Sockets: 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8"7" Long Ratchet Wrench3" Long Extension6" Long ExtensionUniversal Joint Drive Size 5/16", 3/8", 7