Stanley ball end hexagon key sets stanley 0 69 256 stanley ball ended hexagon key set with standard hexagon end on the short arm and ball end on the long arm all keys are stored in a size marked plastic holderthe 0 69 256 is a set of 9 with the following sizes1 of each 15 2 25 3 4 5 6 8 10mm stanley 0 69 256 ball end hexagon key set of 9 metric 15 10mm