1 2 x 5 8 3 16 July 8, 2019 16 32 64 128 1 2 x 5 8 divided by 3 16 16 1 5 * 2 x 8 3 4 X 5 3 16x 8 1 2 Screw shoulder 3 8 x 2 1 2 x 5 16 18 3 8 16 x 5 1 2 bolt 1 2 x 4 3 2 5 3 4 x 8 9 16 3 1 3/5 x 2 5/16 16 ×2=8