Jensen Swing H140 is a large end 5/16″ x 4″ S-hook. These can be used with all chains. The commercial quality large end S-hooks are designed to fasten chain to swing hangers and swing seats to help prevent binding.
- They are plated to help resist rust.
- S-hooks that are not bought from a playground manufacturer do not have the quality control and have been known to break with the first “swinger”.