Description: 【Premium Nylon Material】: Crafted from quality nylon, these badminton racket grommets rings offer great durability and flexibility compared to metal alternatives, ensuring long term protection for your badminton racket strings 【Prevents String Collapse】: Designed specifically to prevent the collapse of string holes on both single and double string rackets, these badminton racquet grommets gaskets provide essential support and maintain the integrity of your racket during impact gameplay 【Easy Installation】: The badminton grommets washers are easy to install; simply expand the bell mouth slightly after fitting them onto the string holes for a secure fit that stays in place during use 【 Dimensions】: The badminton racket grommets o rings measure 0.4 cm/0.16 inch in outer diameter, 0.25 cm/0.10 inch in inner diameter, and 0.05 cm/0.02 inch in thickness, making them perfectly sized to fit most standard badminton rackets without adding unnecessary bulk 【Value Pack of 10】: This set includes ten badminton racquet grommets rings, ensuring you have enough replacements on hand for multiple rackets or future maintenance needs Specification: Material: Nylon Size Chart: Outer Diameter 0.4 cm/0.16 inch Inner Diameter 0.25 cm/0.10 inch Thickness 0.05 cm/0.02 inch Package Includes: 10 Badminton Grommets Note: Please allow slightly errors due to manual measurement and different monitors.