Product Description: Material: Galvanized Steel Color: Silver Size: 15cm*3.5cm*3cm Package Contents: 4 * U-Type Lawn Spikes Premium Material: Made of high-quality galvanized steel, weather-resistant and rust-resistant for years of use. Stable Pointed End: U-shaped design with angled ends for easy insertion into the ground, stabilizing your trampoline during storms or high winds. Versatile Use: These strong stakes sink deep into the ground, also ideal for securing camping tents, giant Christmas decorations, fences, tarps, garden cloths, hoses, and more. Keep Your Kids Safe: With 15cm*3.5cm*3cm ground spikes, these anchors stabilize your trampoline during storms or high winds, protecting your outdoor trampoline from tipping or shifting during use. Easy to Install: Use a rubber mallet to drive the stakes into the ground by hitting the top flat welded knob surface of the stake until the arch touches the U-shaped leg of your trampoline.