Less Effort Design: this trampoline spring pull tool has handle with finger grooves on it, making the tool easy to hold and the work process will exhaust less time and effort. Durable Material: Trampoline spring pull tool is made of iron, which is sturdy and durable, with fine workmanship, ensuring long time service. Product Dimensions: 11.5cmx13cm/4.53inchx5.12inch, wire diameter 5mm thick; Surface plating treatment, not easy to rust. Universal Fit: The t hook is a standard type, fits most strength springs, and can give you plenty of room for gripping. Wide Applications: the spring pull tool can make your installation easy and safe, which are necessary tools when installing a trampoline. Specification: Material: Iron Size: 11.5cmx13cm/4.53inchx5.12inch Package Includes: 1 Trampoline Spring Puller Note: Please allow slightly errors due to manual measurement and different monitors.