ReString Sync - Reel 200m Gauge:1.30 The PowerSwing Resistance trainer is

The PowerSwing Resistance trainer is a tennis training tool that helps you improve your racket head speed

and focus with every hit

Vivo is ideal for players seeking precise

Comfortably firm

Flash is the go-to for frequent string breakers who don't want to sacrifice comfort for durability

ReString Sync - Reel 200m Gauge:1.30 The PowerSwing Resistance trainer isIntroducing ReString Sync! The ultimate string for tennis players looking for maximum control and precision in their shots. With ReString Sync's superior string technology, experience optimal pocketing and longer lasting playability, giving you the power to dictate each shot with confidence. Upgrade your game with ReString Sync. 200 meters