4 Guard Wheels for a Tennis Ball Hopper to Extend Hopper's Life Span

4 Guard Wheels for a Tennis Ball Hopper to Extend Hopper's Life Span Traditional tennis hopper is a pretty ingenious invention. They are perfect for the task and last and serve for a long time on all the court surfaces, except for the hard. New Save and Roll™ wheels will make most of the wire hoppers last for years and years, even on the hard courts, adding a convenient rolling feature to them. Picture #7 shows a hopper condition with the wheels installed after a year of service. Pictures #8 and #9 show hoppers without the wheels after several months. Selling price is for the set of 4 wheels.  Should you buy more than one set please contact us to determine the shipping cost. For more details please contact us at www.zubric.us Country/Region of Manufacture: United States Brand: Zubric