8pc SPLINE BIT SOCKET SET by NEILSEN TOOLS 12 Point M4 M5 M6 M8 M10 M12 M14 M16

6.3 mm (1/4'') drive, drive spline (for XZN) M4 - M5 - M6 10 mm (3/8")Internal square , drive spline (for XZN) M8 - M10 - M12 12.5 mm (1/2'') drive, drive spline (for XZN) M14 - M16 CRV socket, S2 bits.

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