ASHAWAY-Dynamite 18 Soft Tennis String-(813862021430) Improving on their premier string, the new Ashaway Dynamite Soft 18 offers greater spin and feel than the 17 gauge version. This string uses the same Zyex fibers as the original, but in a different construction to create a very soft, very playable feel... Size - (See Description) | Color - (Blue) Authorized Ashaway Dealer. All racquets are strung and ready for the courts! SEE SELLER DETAILS FOR RETURN POLICY.