4-levels Adjustable Strong adjustable stability handlebar for the 40'/48' Fitness Rebounder, Heavy-duty handlebar provides FOUR levels adjustable ranging from 32'/35'/38'/42'(on the mat) designed for kids & adults. Just jump! Foam Handlebar Covered by lasing soft foam, the handlebar is comfortable to grip and safe for the skin of the palm. Easy Assembly Attaches to any two trampoline legs for strong support. The installation is very simple and requires only a few simple steps. ONLY takes seconds to set up. Safety The adjustable handlebar is covered with absorb sweat, non-slip foam material.