Made by hot-dip galvanized steel and produced in various types and sizes. The first type is used for direct tying of ropes while the other three are used both for rope and for marine shackles and chains.
Made of 50mm solid round steel.
Made of 50mm solid round steel. Cross and Binding made of 30mm solid round steel.
Made of solid round steel 50mm pipe and 10mm thick mound in the center.
Made of 22mm or 25mm thick steel sheet, with slot for attachment to shackle.