U Shaped design stakes with sharp ends for easier insertion into the ground. Installing them a cinch with a rubber hammer to hold down a trampoline, use it to pound the stakes into the ground until the stakes are pressing the U-shaped leg on your trampoline.U-shaped rebar stakes can prevent the trampoline from overturning or moving during use,and protect children from falling down and hitting the ground.These heavy duty stakes, perfect for keeping trampoline in the yard, sink deep into the ground, also great for securing camping tents, huge Christmas outdoor decoration, fences, tarps, garden cloth, hoses and more.Colour:BlackMaterial:MetalSize:about 30cmPackage Contents:6 x Trampolines Wind StakesOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.