Shop TennisMachines.com Wilson Store / Wilson Sort by We recommend Newest arrivals Price: Low to High Price: High to Low Name: A to Z Name: Z to A Triniti/Slinger Tennis Balls Bulk Pack 72ct. Immediate Availability (while supplies last). Triniti/Slinger Tennis Balls Bulk Pack 72ct. Immediate Availability (while supplies last). $140.00 Sold out Baiardo Stringing Machine Baiardo Stringing Machine $6,000.00