Steel hex head bolts 1/4-20 x 1/2, 1/4-20 x 3/4, 1/4-20 x 1, 1/4-20 x 1-1/4, 1/4-20 x 1-1/2, 1/4-20 x 2, 1/4-20 2-1/2, 5/16-18 x 3/4, 5/16-18 x 1, 5/16-18 x 1-1/4, 5/16-18 x 1-1/2.