Premium Nitrile Rubber Replacement Roller (Black) Court Equipment Penn Tour tennis balls are

Penn Tour tennis balls are high-performance tennis balls widely used in pro tennis tournaments around the world including 4 out of the 5 largest tournaments in North America

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In the kit are three additional grommet sets

Product Code: 286130

Premium Nitrile Rubber Replacement Roller (Black) Court Equipment Penn Tour tennis balls areMade of revolutionary nitrile rubber, this roller is soft right from the start to better conform to the court surface. This is a premium roller designed to dry and withstand the wettest of courts. Nitrile rubber is a synthetic rubber with a high resilience, commonly used to manufacture disposable lab, cleaning, and examination gloves. Nitrile rubber is more resistant than natural rubber to oils & acids, and has superior strength, but has inferior