TEKTON 3/8 Inch Drive 6-Point Impact Socket Set with Rails and Trays, 42-Piece (5/16-3/4 in., 8-19 mm) | SID91216

• Includes 9-pc. 3/8 inch drive standard 6-point inch impact sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.; 9-pc. 3/8 inch drive deep 6-point inch impact sockets: 5/16, 11/32, 3/8, 7/16, 1/2, 9/16, 5/8, 11/16, 3/4 in.; 12-pc. 3/8 inch drive standard 6-point metric impact sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; 12-pc. 3/8 inch drive deep 6-point metric impact sockets: 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19 mm; Socket rails and trays
• Sizes are marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off
• 6-point socket openings provide an exact fit for hex fasteners
• Radiused corners prevent fastener round-off by applying force to a fastener's flat sides, rather than its corners
• Meets a minimum of 1.3 times the ANSI/ASME standard for proof torque.Twist-to-Lock Socket Rail organizes and securely holds sockets in place, both for in your toolbox and on the go

Tekton impact sockets have both a high-visibility laser marking and a permanent stamped marking that won't wear off. They're designed for use with both friction ring anvils and detent pin anvils. Precise 6-point openings provide an exact fit for hex fasteners. Each socket size meets a minimum of 1.3 times the ANSI/ASME standard for proof torque.