PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can Tungsten infused grommets maximize the

Tungsten infused grommets maximize the contact time between shuttle and string

The YONEX Round Sole is designed to provide all-around support for quick and smooth footwork

Strung with Ashaway PowerNick 18 for hard hitting performance and has BK’s Rad Cushion Grip for superior grip control

String: Powernick 19 Black (Prestrung) Recommended Tension: 25-29lbs Stiffness: 91 Avg

Polyester Mesh

PRO PENN MARATHON EXTRA-DUTY FELT TENNIS BALLS Quantity:Single Can Tungsten infused grommets maximize theOFFICIAL BALL FOR TENNIS BC! Pro Penn Marathon is Penns longest lasting tennis ball featuring exclusive Encore Technology for a 22% longer lasting core and high tenacity LongPlay Felt for extended play. Pro Penn Marathon is the official ball of PTR because of its guaranteed longevity, durability and visibility. Pro Penn Marathon is available in Extra Duty Felt (for hard courts), Regular Duty Felt (for soft courts) and Extra Duty High Altitude (for