Versa Hoop Plus for Angled Trampoline Poles VersaHoop for Trampolines with angled&#47;curved safety net poles. . The slotted PVC pipe slides over the metal trampoline pole and locks the set in place with a simple worm&#47;pipe Then adjust the backboard to correct angle for your unique trampoline design. Dimension - 24 x 1 x16 in. Diameter - 1 in.