This is a new hybrid string that is made up of Zo Tour 17 (natural) gauge mains and TNT2 Tour 17 gauge cross strings.
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.