Feature:1. Plastic Material: Tennis cross string saver is made of durable plastic, which is light and durable. Strings will not be rub against with each other.2. Easy To Use: Reduces string movement by locking strings in place. Applicator tool makes it easy so that you can insert the cross piece with one hand.3. Function: Tennis cross string saver can extend the life of your strings. Tennis cross imparts more spin when ball is struck.4. Portable: Convenient to take it with you. Increased sweet pot and roughness for better control and ball spin. Prevent rubbing and lock them in place.5. Widely Used: Cross replacement string saver is applicable for badminton racket, tennis racket, squash racket, etc.Specification:Item Type: Tennis Cross String SaverMaterial: PlasticWeight: Approx. 19g or 0.7ozApplicable: Badminton Racket, Tennis Racket, Squash Racket, Etc.Package List:1 Box x Tennis Cross String Saver