The first multifilament string energized with the Gamma patented TNT2 Process. A premium string that offers power without sacrificing control
$5.75 Shipping with $75 Purchase.
$5.75 on qualifying products* when you make a purchase of $75 or more. When shopping you can identify products by red $5.75 shipping box on product page of items that ship for $5.75.
* All string, grip, clothing, and accessory orders.
** Contiguous US only.
*** Court equipment, Professional Stringing Machines and Tennis Balls are excluded.
TNT2 Technology enhances GAMMA synthetic strings offering the greatest combination of power, control and shock reduction of any premium tennis string including natural gut.
This second generation Thermo Nuclear Process greatly improves two key factors that relate to a string’s performance: dynamic elasticity (storing energy) and dynamic resiliency (returning energy to the ball). When these two important factors are enhanced the ball will not only stay on the strings longer for maximum control and accuracy, but also return more energy to the ball for increased speed and power.
GAMMA String Performance Guarantee
GAMMA guarantees the performance of your GAMMA string. If for any reason you are not satisfied with the performance of a guaranteed string, GAMMA will refund your purchase price. Subject to terms below.
Return must include the GAMMA String Guarantee Claim Form
Return must include the original dated sales receipt from an authorized GAMMA Dealer (no photo copies)
Return must include the entire set of GAMMA string cut from your racquet
Consumer is responsible for returning string to GAMMA at consumer's expense by a trackable shipping method
Limited to one request per household
Amount of refund not to exceed $50.00
Offer available to residents of the United States only
GAMMA reserves the right to cancel this offer at anytime
Please allow 4-6 weeks for refund. Offer void where prohibited by law.
To request a refund you must fill out and return the GAMMA String Performance Guarantee Claim Form (download PDF to the right) within 14 days of purchase.