Signum Pro Tornado Set Tennis this string helped unlock the

this string helped unlock the spin and power of the modern tennis era

creating a true work of art

the Shift V1 collection was built and refined via player feedback from all over the world

This durable string offers big hitters an outstanding blend of durability

and tournament players craving effortless pace

Signum Pro Tornado Set Tennis this string helped unlock theTornado is a heptagonal shaped co polyester string offering a high level of dynamic power while providing exceptional access to spin. This string is axially twisted and dramatically increases the spin potential compared to traditional round strings. Signum Pro Tornado also offers excellent playability and comfort for a co polyester string.