Silicone screw fixer for PC case CPU fan

PC Case Shock Absorption AVC Silicone Fan Screws Fixer 4pcs http://www.budgetgadgets.com/-p-13863.html $1.65 , lower to $1.30 when 3 pieces together. features: Made of good-quality silicone Durable and good elasticity Larger deflexion to reduce resonance Silicone fixers feature vertical and horizontal deflexion to decrease the consumption on resonant vibration Good vibration absorption. Reduce noice Aging resistant for long using time 4 * Fan Screw Fixer website: http://www.budgetgadgets.com facebook: http://facebook.com/budgetgadgets