CONSTRUCTION High strength co-polyer monofilament core twisted by a layer of co-polymer monofilaments with three pairs of macro fibers. FEATURES An ultra rough string resulted from extra wrap of micro fibers which provides the ultimate to spin play and ball control. A special polyurethane treatment retains roughness on the string's surface and reduces friction on the string's cross points. PLAYER PROFILE For players who are looking for optimum spin performance from their racket string. t24010Regular price: $14.00Sale price: $6.50, 5/$25.00 Thanks for visiting our online store. We are highly faithful to our high quality products, and present it in supersized pictures(click for larger one). Also, we guarantee to handle your order and question within same business day!