There are 3 products.
Active filters
A newly developed, softer high-performance and versatile polyester string designed to offer more control while still generating extreme power and intense spin and bite.
A newly developed, high-performance and versatile co-polyester string designed to generate extreme power and intense spin and bite.
Highlight: Minimal sharp sided structures delivers much power, control and spin. For all skill levels and ages. Unique!
Important Note: String main + cross 1.0kg less than normal Co-Polyeste.
