Upper Bounce Trampoline Anchor Kit (Set of 4) These anchors are easy to assemble! Just screw the steel anchor into the ground, connect the strap to the Loop on the anchor and to the trampoline frame, use the adjustable buckles according to your preferences and to the height of your trampoline Simple & Easy Attachment Keeps your trampoline safe in place while your kids are jumping! Save your big investment with this small and ever-lasting investment Works only for trampoline frames with a maximum height of 34 inches