TEKTON 3/8 in. Drive 12-Point Impact Socket Set with Rails (1/4-1 in., 6 mm-24 mm) (68-Piece)

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.