This is a large end 5/16" x 4" S-hook.Our commercial quality large end 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 that are not bought from a playground manufacturer do not have the quality control and have been known to break with the first "swinger".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 745 lbs.
Installation, Safe Use and Maintenance Instructions
Installation: Our parts are sold as either replacement parts or components of a set, unless you are buying our Metal Frame Set, therefore these parts need to be installed according to the sets installation instructions.
Make sure you are using correct size of S-hook.Closing S-hook should not crimp material producing a wear spot on whatever material you are attaching to S-hook.If this occurs, use a larger S-hook to extend life of product.Because S-hooks are often constructed of heavy-duty materials that can withstand significant weight, they are not easy to close.A pair of pliers designed for closing and opening S-hooks, such as our T100 is necessary.To close S-hooks: Put the S-hook in the front part of the large jaws and close the pliers' legs and the S-hook will close.Make sure all S-hooks are closed to within .04 to meet Astm safety standards.Close according to Fig A1.19 for Fastening Devices.To open S-hooks: Use the little jaws at the other end of the pliers' head.Put the top or outer jaw inside of the closed S-hook.Close the pliers' legs and the S-hook should open.Warning: Once the S-hooks have been opened they will have to be replaced to avoid injuries from coming open and/or breaking.
Safe Use: This is for children 0 - 12 years old only.Adults should supervise children at all times.Do not allow children to use unsafely.Do not allow it to be used if damaged.
Maintenance: At beginning and end of each play season and once a month during play season, check for sharp edges and/or cracks in metal.Check for excessive wear.Replace parts as necessary for safety.Make sure S-hooks are closed to within .04 to meet Astm safety standards.Check for vandalism.Maintain detailed inspection and maintenance records for public-use playground equipment.
Any damage from vandalism, abuse or misuse Voids all warranties.