Our plastisol coated tri-angle 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. Hole for S-hook is 1/2". You can use the H140 - H150 - H165 - H172 with this. This product should last 2 years in harsh conditions and up to 5 years in optimal conditions. Some conditions may require replacement sooner.Tensile strength 2800 lbs. Price is per ring.