T-HOOK: This tool helps install springs onto the trampoline frame easily and quickly when setting up your jumping mat. Trampoline spring pull hook made from durable steel and hard plastic. This spring pull tool, also known as a T-Hook, assists in attaching springs to the trampoline frame during mat installation. Use this tool to assist with pulling trampoline springs or other similar tasks requiring grip and leverage. Makes installation faster and easier. Color: Black Material: Plastic and iron Size: 13 cm Package Contents: 1 x Trampoline Spring Pull Tool Note: The package includes only the items listed above. Other products are not included. Lighting and monitor settings may cause slight variations in color between the image and the actual item. Measurement may vary by ±1-3 cm.