Tourna Grip Overgrips 10 Pack Tennis Overgrips : Tourna Grip Overgrip 10 Pack is one of the most absorbent available. This is the original nonslip grip developed in 1977. You know its reliable because nearly 80% of all tennis touring pros depend on it for exceptional performance. Ideal for junior racquets and one-handed backhand players. Finishing tape included. Great for use on tennis, squash, badminton, or racquetball racquets.