2-12 second ball feed rate

They help focus service practice and improvement of many other strokes

as the sponge

Canada CSA P400

Quick Kids 60 Balls conform to the USTA QuickStart Tennis format standard for Stage 2 balls on a 60' court

Ashaway Crossfire 18 COLLECTION-Type-Stencils and Ink 2-12 second ball feed rateFor maximum playability and superior durability, turn to Ashaway Crossfire II tennis string. Hybrid technology provides resilience, ball control, and optimum spin. Recommended for chronic string breakers and top spin players. Main strings: 18 gauge 100% aramid fibers bonded together with nylon resin. Cross strings: 16 gauge synthetic gut with abrasion resistant wear layer. Use 10 15% less tension on Aramid mains than on Synthetic Gut crosses.