Our plastisol 6" ring will brighten up swing sets and provide cool non-slip hand grips for children. The inside diameter is 4 1/2" and the bottom grip is 1" in diameter. The sides are 1/2" in diameter. 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 is 2800 lbs. Price is per ring.