Description String your tennis racquet with Ashaway Kevlar 16 360′ Reel for excellent control and ability to spin the ball thanks to the braided design. This string also provides superior durability in hybrid stringing combinations. Perfect for top amateur and professional players. Recommended for heavy hitters and chronic string breakers. Recommended stringing tension up to 55 lbs. Recommended 10-15% less tension on Kevlar mains than other synthetic polymer crosses..