Features SAE Chrome 3/8"-Drive Socket Set is designed for industrial and production applications, such as automotive manufacturing and assembly, steel fabrication, aerospace, chemical plants, petrochemical, mining, utility, telecom, government and military, transportation, fleet maintenance, general manufacturing, and MRO. Includes quick-release ratchet, drive extensions, speed handle, universal joint, and multiple sockets to accommodate a range of fastener head sizes. Socket Size Range / 1/4 in to 1 inch Drive Size / 3/8 inch Measurement Type / SAE Sockets Included / 3/8 inch Dr 12 Pt. Std. 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, 1 inch, 3/8 inch Dr 12 Pt. Deep 1/4 inch, 5/16 inch, 3/8 inch, 7/16 inch, 1/2 inch, 9/16 inch, 5/8 inch, 11/16 inch, 3/4 inch, 13/16 inch, 7/8 inch, 15/16 inch, 1 inch Finish / Chrome Impact Rated / No Number of Pieces / 34 Standards / ASME B107.1, ASME B107.5M Includes / (1) 3/8 inch Drive Quick-Release Ratchet 7 3/4 inch, (1) 3/8 inch F x 1/2 inch M Adapter, (1) 3/8 inch F x 1/4 inch M Adapter, (1) Blow Molded Case, (1) Speed Handle 14 inch, (1) Universal Joint, (3) Drive Extensions 3 inch, 10 inch, 6 inch