McMaster 7259A31 Socket Set 6-Point, 3/8" Square Drive, 27 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 hex shape grips hex fasteners and prevents rounding. Set Type Sockets with Drive Tools System of Measurement Metric Socket Type Socket Socket Style Standard Drive Type Manual Square Drive Size 3/8" Socket Shape 6-Point Bolt Clearance Style Standard, Deep For Drive Style External Hex Number of Pieces 27 Components Included 24 Sockets2 Drive Tools1 Extension Includes Standard Sockets: 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mmDeep Sockets: 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19 mm7 5/8" Long Ratchet Wrench8 9/16" Long Flex-Head Wrench Handle6" Long Extension Drive Size 6 mm, 7 mm, 8 mm, 9 mm, 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 15 mm, 16 mm, 17 mm, 18 mm, 19