The buckles and straps have been tested， to withstand high winds without breaking. Includes: 4- zinc-plated steel trampoline cork-screw anchors， and 4 adjustable straps with buckles. These trampoline stakes anchors are compatible with all sizes， including round， square， rectangle， and circular Trampolines. Trampoline anchors are equipped with heavy-duty galvanized steel， providing safety and stability during high winds. Check if the soil is suitable before purchasing these trampoline stakes. Meets and/or Exceeds ASTM Safety Standards in America， for residential use only.

• 4- Spiral Anchors and 4- Heavy Duty Straps with Buckles
• Easy to Install.
• Multi-Purpose - Trampoline anchor kit.
• Can also be Used For Swing-set Anchor， Tent Anchor， Shed Anchor Kit， etc.