This pair of U-Bolts, equipped with four nuts, washers, and a tang, are made from marine-grade stainless steel. They are designed in the shape of the letter "U" and have threaded ends. These U-Bolts measure 6mm in diameter and have an internal width of 32mm. They are commonly used as attachment points for lines, hardware, or rigging, and are typically bolted through the deck of a boat. The tang provides an extra attachment point for added security.