Coated chain with 4 ft. coated in bright polymer colors. This is sure to brighten up any swingset. This is 3/16” chain that is 4/O Aught and Grade 30. The links are 1” long and the opening is ½” wide. You can use the H170 – H171 – H172 – H173 shackles, but you will have to force them through the coated part of the chain. Chain that is not bought from a playground manufacturer does not have the quality control and have been known to have weak links and can contain air bubbles. Sold individually.