Stanley hexagon key triangle sets stanley 0 95 935 the stanley hexagon key set in a triangle is a cleverly designed set which provides neat and secure storage whilst providing increased turning power during use of the keys li metric li hex key sizes 1 5 2 2 5 3 4 4 5 5 5 5 and 6mm stanley 0 95 935 hexagon key triangle set of 9 metric 1 5 6mm