TEKTON 3/8 Inch Drive 12-Point Impact Socket Set with Rails and Tray, 18-Piece (5/16-3/4 in.) | SID91212

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 12-point opening fits double hex (12-sided), hex, and square-shaped fasteners. Each socket size meets a minimum of 1.3 times the ANSI/ASME standard for proof torque.Features:• Sizes are marked both with a high-visibility laser marking and a permanent stamped marking that won't wear off • 12-point opening fits double hex (12-sided), hex, and square-shaped 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