4-Pc Pack Spiral Stakes Heavy Duty Anchor Kit for Trampoline Steel Stakes Anchor Kit for Trampolines, Tents, tarps, Canopies,car Ports,Dog tie Out and etc Bonus Tie Down Straps 4-Pc Pack(Silver)Where to use? -Using a long Srew driver or a rod-shape tool, inset into the ground about 10 Inches where you intend to place the anchors, if you hit a stone..