| | Commercial Grade Trampoline Springs | | -------- | -------- | -------- |-------- | -------- | | Warranty | 1 year | | Special features | Conical shape, reduces permanent stretching | | Made of | German, zinc-plated, hot galvanised steel | | Suitable for | Trampoline Parks, Bungee Trampolines, Trampoline fairground attractions | | Assembly time | 20 minutes for an average trampoline | | Tools needed | Optional spring pulling tool available |