3 4 x 1 9 16 July 8, 2019 16 32 64 128 Stanley organiser 16 3 4 x 9 1 4 1 2 9 1 4 x )= 1 3 16 3 4 x 1 7 8 x 9 16 bearing 1 3 4 x 9 1 4 x 16 lvl 1 3 x 4 5 16 9 1 4 x 3 2 9 16 0 3 16 x 1 4 3 9 countersink X 1 2 3 4 y 1 4 9 16 3 x 3 = 9