Blue Spot Spline Bit Socket Set M4 M5 M6 M8 M10 M12 M14 M16 1/4 3/8 1/2 Set
1/2": M14, M16. 3/8": M8, M10, M12. 1/4": M4, M5, M6. The set comprises common sizes in 1/4", 3/8", 1/2" with a knurled finish for extra grip. Supplied on a convenient socket rail for easy storage and convenient transportation.