Signum Pro Tornado Set Tennis and tournament players craving effortless

and tournament players craving effortless pace

Head puts the easy spin and power of the Extreme MP into a lighter

This durable string offers big hitters an outstanding blend of durability

creating a true work of art

Signum Pro Tornado Set Tennis and tournament players craving effortlessTornado 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.