Product Description 5/16" x 3" Zinc Coated Standard End S-Hook Commercial Grade - Made in USA This is a standard end S-hook. This works with all of our chains. These 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 not bought from a playground manufacturer do not have the quality control needed to keep your kids safe. This product meets all ASTM standards for playgrounds. Make sure during your routine monthly maintenance check, all playground equipment is still in good working condition. No cracks, rough edges, binding, torn or missing parts, cracked plastic or rust. Please replace if equipment doesn't pass inspection to keep the kids safe. Product Videos Custom Field Origin Imported Item S-Hook Size 5/16" x 3" Group Swing Connectors Product Reviews