This Eagnas Perfect Spin Reel - 1.30 200m features two extra-thick fibers provide the perfect spin control, durability and increasing power. Also a pentagonal shape and low-friction UHMW material. For players looking for excellent spin, ball control, and durability. It's a large number of additives to make this look sporty tennis string very lively and explosive. A co-polyester most pros on tour choose co-poly strings for extra sporty game and durability.