TEKTON 3/8 Inch Drive 6-Point Socket Set, 42-PieceSHD91218

Includes 9-pc. 3/8 in. drive shallow 6-point inch sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in. ; 9-pc. 3/8 in. drive deep 6-point inch sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in. ; 12-pc. 3/8 in. drive shallow 6-point metric sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; 12-pc. 3/8 in. drive deep 6-point metric sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; Socket rails and trays, Large, Stamped Markings Permanently impressed into the material by a roll-stamp die and as large as possible while still being readable along the socket's curved surface, Exterior and Interior Finishes The exterior is chrome-plated and the interior is chrome-plated and supplemented with a clear coat or painted finish where needed for full coverage, 6-Point Socket Opening Provides an exact fit and maximum contact for hex fasteners, Prevents Fastener Round-Off Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners, Secure Drive Tool Engagement Detent grooves and beveled edges provide a smooth and secure connection with the drive tool.