These trampoline pole caps are same design with original replacement, flat bottom design, please check your pole cap shape first. These trampoline pole end caps are only fit in 1.26inches diameter trampoline enclosure net pole. This 1.26inches trampoline pole cap is easy to fasten screw thumb to pole cap by hand. This trampoline net cap can help attach net with enclosure poles for safety and fun. Please measure your pole size before purchase to avoid any inconvenience, only fit in 1.26inches diameter trampoline enclosure net pole, don't fit in other size diameter pole.