28 4 x 2 July 8, 2019 16 32 64 128 28 x 4 25 28 x 4 28 3x 2 4 28 x 2 4 x 4 )= 28 2x 28 x 4 2x 180 28 x 4 20 28 x 4 24 28 4 2 x 3 28 4x 4 2x 28 1 4 x 2 28 x 4 x 24 box 1 4 28 x 2.5 grade 5 bolt 1 4 28 x 2 machine screw 1 4 28 x 2 bolt 1 4 28 x 2.5
