Socket sizes: M4, M5, M6, M8, M9, M10, M12, M14, M16, M18. Type: Spline Socket Set. 10 Spline Bit Socket Set. Accuracy and Versatility: Our premium 10-piece socket set features 12-point sockets in 1/4", 3/8" and 1/2" drives in a spline tip design for tamper-proof applications.
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