GAMMA GZMG-11:SET Moto 17G With Grip Tennis String Black The New Gamma Moto 17G With Grip Tennis String Black Gamma Racquet Accessories Heptagonal Shape | Spin-Producing | 17G Size - (See Description) | Color - (Black) Authorized Gamma Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.