Our 6” plastisol coated triangle will brighten up swing sets and provide cool non-slip hand grips for children. It is 4 ½” inside diameter and has a 1 1/16” grip. Hole for S-hook is ½”. You can use the A6500 ? 6000 ? 5950 ? 5725 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. Weight is 1.20 lbs. each. Tensile strength 2800 lbs. Price is per ring.