A versatile set of eight short Spline socket bits from M4 to M16 in three drive sizes (1/4"D, 3/8"D and 1/2"D). The sockets have a satin finish with a knurled ring for extra grip and the sizes are engraved on each socket for easy identification. A quality set manufactured from chrome vanadium and impact grade steel supplied on a socket rail for convenient storage and easy tool access.