uxcell PC Case Fan Mouting Pin Anti Noise Vibration Silicone Screws 20 Pcs Product Name : Fan Anti Vibration Screws;Size : 4.4cm x 0.7 cm (L * Max Dia) Stem Dia : 2.7mm/0.11";Material : Silicone Color : Black Weight : 13g Package Content : 20 x Fan Anti Vibration Screws