Features: USAGE:You can use these grommet to save your racket. PACKAGE:Include single hole, double hole and double connect stud. MATERIAL: Made of nylon, it is durable, lightweight and long lasting. PORTABLE:Well packed in a transparent box, convenient for storage and carrying. PROTECTIVE:It can protect the string of your badminton racquet. Specification: Color: black Material: nylon Size(L x W): about 175 x 95 x 21 mm Package include: 9 grids single and double hole granule 1 grid long double nail 1 grid short double nail 2pcs mini cone 6pcs seven nail Notice: Due to the light and screen difference, the item's color may be slightly different from the pictures. Please allow 0.5-2cm differences due to manual measurement. We usually ship orders in 48 hours when payment is verified. If you have any problems about the order, please justcontact us. We try our best to help