... Number:U.S. type drop forged;2)Sizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16-inc US ... -dip Galvanized: Model Number:U.S. type drop forgedSizes: 1/8, 3/16, 1/4, 5/16, 3/8, 7/16-inch ... galvanized ;Conforms to Federal spec.FF-C-450 type I, class 1; If you are interested in some items,and want to ...