Rolling-seal action doesn't skip depressions. Works on any hard surface court with no scraping or damage to court, great around pools, on driveways, for golf greens.
Roller lasts four months or more in a typical one per court use.
Chrome-plated steel handle and frame. Unconditionally guaranteed by the manufacturer to provide satisfactory performance for two years. Easy to use and store. Will not scratch or mar courts. 360 degree casters.