Used for waterproofing and preventing internal rust The advantages of using plastic pipe inserts are: they provide a clean and safe surface for pipe ends. make them tighter and stronger. The cap of the cap prevents friction and provides protection during movement. Suitable for use on fence post pipes, gate post covers, trailer frame ends, fitness equipment to prevent collisions. Illustration: 100% brand new, high quality Suitable for stainless steel pipes, aluminum pipes, iron pipes, galvanized pipes, copper pipes, etc. Prevents internal water infiltration and rust Contents: 1 safety net + 1 support spring (without pole, without trampoline). 366cm diameter 8-bar round trampoline with safety net and optional spring protection cushion Safety net: This garden trampoline safety net is designed to prevent falls when jumping. Thanks to its high-density weave, the trampoline net is particularly resistant, for maximum safety and durability. Spring protection: The middle part is made of EPE