Trampoline Stability Spreader Plates (Set of 4)Create a safer, more secure setup by keeping equipment firmly in place on indoor surfaces. These plates help prevent unwanted movement on polished floors while protecting cushioned vinyl from pressure marks and damage. Supplied as a set of four, they support stability and longevity, helping maintain safe spaces and protect valuable flooring in busy sports environments. The standard delivery charge covers delivery to a flat, step free location with