Our flagship co-poly - designed to deliver maximum bite, unparalleled snapback and longer lasting playability. For players looking to grip the ball aggressively and beat their opponents with power and spin. Zero is a six-shaped co-poly string designed to deliver maximum bite on powerful strokes. Comfortably firm, players with long strokes will enjoy the string's spin potential for a great grip on the ball. Compared with traditional co-polys, Zero maintains superior string tension for a longer-lasting lively feel.