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Sizes: 3/8"Dr: M4, M5, M6, M7, M8, M9, M10, M12 and M14 (48mm Length) Made from high-strength Chrome Vanadium steel, Spline Bit made from hardened S2 Steel Black phosphate surface for rust resistance. Every Spline socket is laser-etched with its specific size for faster identification.
Sizes: 3/8"Dr: M4, M5, M6, M7, M8, M9, M10, M12 and M14 (48mm Length) Made from high-strength Chrome Vanadium steel, Spline Bit made from hardened S2 Steel Black phosphate surface for rust resistance. Every Spline socket is laser-etched with its specific size for faster identification.