Constructed from Tough Steel and Hard Plastics. Plastic Handle with Finger Grooves,For comfort,support,and a strong grip. This amazing Spring Pull Tool also known as T-Hook, will help you slide the springs easily into trampoline frame when you install your jumping mat. Spring puller tool.you can use it to pull a trampoline spring, or you can use it to pull something you can pull. DURABLE - Approximately 5. Product This trampoline Spring Tool will help you safely and easily Install or remove your trampoline springs. 2 Pack for two people to place springs into the frame or have a spare just in case one gets lost. Comfortable firm grip helps reduce hand strain and slippage. Let this tool do all the work for you. Make installation Safer, Faster and Easy! A must have for trampoline owners!