T-HOOK: The unique T-hook design helps you put the spring into the trampoline frame easily and quickly. STORAGE SUGGESTIONS: This is an essential tool for trampolines. It is recommended that you always put it together with the trampoline parts. NECESSARY TOOLS: The spring-pull tool allows you to install easily and safely, which is an indispensable tool when combining trampolines together. COMFORTABLE HANDLE: This trampoline spring tension tool has a plastic handle with a finger groove, which is comfortable to hold and helps reduce hand fatigue and slip. WIDE RANGE OF USE: T-hook tool is a standard type, suitable for most springs. It is used not only for trampoline springs, but also for disassembly and assembly of springs for various household machines. SPECIFICATION: Material: Plastic/Steel. Color: As shown. Quantity: 1 Pc x T-Hook Trampoline Spring Pull Tool.