Long Lasting Build: The entire set is crafted from galvanized steel, effectively rust and oxidation, paired with high strength buckle clips and stake head caps Standard Extended Size: The 15.8 Inch ground stake set fits both round and rectangular trampolines, and is not limited to trampoline fixation, offering multi purpose use for enhanced cost effectiveness Easy Installation: The screw in design allows for simple twisting into the ground for secure fixation, not suitable for sandy soil Strong Wind Stability: Four thickened heavy duty twist ground stakes screw deeply into the soil, securely locking trampolines in place to resist shifting Versatile Application: Suitable for securing various outdoor structures including tents, outdoor basketball hoops, swing chairs, simple awnings, tree stakes, Manufacturer: alloneslife