?When bending and releasing two racquets under the same force, the Ultra Slim Long Shaft rebounds almost twice as far as a conventional racquet does in the same length of time (0.018 seconds). This equates to 10% greater stability compared with conventional racquets ?This equates to 10% greater stability compared with conventional racquets.; Ultra Slim Shaft - Inserting NANOPREME into the racquet shaft ensures greater stability compared to conventional racquets Experience the quality and performance that sets our products apart. Elevate your game with our high-quality products designed for athletes and enthusiasts. Discover the difference that premium materials and expert craftsmanship can make in your athletic pursuits.