Feature 1Plastic Material : Tennis cross string saver is made of durable plastic, which is light and durable. Strings will not be rub against with each other. 2Easy 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. 3Function: Tennis cross string saver can extend the life of your strings. Tennis cross imparts more spin when ball is struck. 4Portable: Convenient to take it with you. Increased sweet pot and roughness for better control and ball spin. Prevent rubbing and lock them in place. 5Widely Used: Cross replacement string saver is applicable for badminton racket, tennis racket, squash racket, etc.Specification: Item Type: Tennis Cross String Saver Material : PlasticWeight:19g or 0.7ozApplicable: Badminton Racket, Tennis Racket, Squash Racket, Etc Package List:1 Box Tennis Cross String Saver Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-YJL official store