Lewmar's Halyard pad eye has a flat base and can mount to decks, bulkheads, or spars. It has a 4 1/2 in. (114mm)-diameter base. Its breaking load is 22,040 pounds (10000kg) and its safe working load is 11,023 pounds (5000 kg). It can be mounted on decks, bulkheads, and other flat surfaces.