Item Type: Badminton Racket GrommetsProduct Material: NylonColor: Chinese RedWeight: Approx. 70g / 2.5ozAccessories: Single Line Hole, Double Line Hole, Double Connecting Nail 1Main Function: This badminton racket grommet is designed to protect the racket line that reduces abrasion. 2Nylon Material: Adopting superior nylon, this badminton racquet grommets is light and durable, and not easy to break. 3Assortment kit: This badminton racket string grommet set contains different kinds of grommets that fit single string, double string, etc. 4Easy to Install: No need for any special tools, you can easily install this nylon grommet on a badminton racket string. 5Portable Box: With a storage box, these badminton string eyelets are convenient to carry or store, so you can use it almost anywhere and anytime.