Loop caps are used for the top rail and line post protection. Usually, it is made of aluminum material in a residential application, while galvanized pressed steel for commercial areas. The post size can be 1-5/8″, 2″, 2-1/2″, 3″, 3-1/2″, and 4″ which will accept round top rail of 1-3/8″ and 1-5/8″, carriage bolt size 5/16 x 1 1/4″ Also, the loop caps can be powder coated black, brown, and green.
√ 1-5/8 in. Line Post Eye Top
√ 1-7/8 in. x 1-3/8 in. Aluminum Line Post Eye Top
√ 1-5/8″ x 1-3/8″ Aluminum Line Post Eye Top
√ 2″ x 1-3/8″ Galvanized Line Post Eye Top
√ 2″ x 1-5/8″ Galvanized Line Post Eye Top
√ 2-1/2″ x 1-5/8″ Galvanized Line Post Eye Top
√ 3″ x 1-5/8″ Galvanized Line Post Eye Top