Material: nylon plasticSize: Diameter 16mm/19mm//22mm/25mm/28mm/35mm/38mmColor: BlackFeatures: clear-cut style/easy to install/beautifulUsage: computer, desktop, wireThe petal-shaped outlet gap design permits the wire of other sizes to be fixed and may not be shaken at will. Package includes:10pcs/set * Wire Hole CoverNote:Please allow 1-5mm mistakes thanks to manual dimension Item colour displayed in photographs may be displaying barely assorted in your pc display screen since displays are not calibrated same.