Our plastisol coated triangle will brighten up swing sets and provide cool non-slip hand grips for children. It is 4 1/2″ inside diameter and has a 1 1/16″ grip. The hole for S-hook is 1/2″. You can use the H140 – H150 – H165 – H172 with this. Tensile strength 2800 lbs. Price is per ring.