Extension Tube for The Top Hopper Maximize the versatility of your vertical jump testing setup with the Top Extension Tube from The Top Hopper. Designed to enhance your equipment's reach and adaptability, this durable tube is the ideal solution for athletes, trainers, and sports scientists seeking precision and flexibility in jump height measurement. Visit Here: https://thetophopper.weebly.com/blog/extension-tube-for-the-top-hopper