Function: lower noise and stress in your PC desktop systemThis Fan Mounts fit FLANGE TYPE fan moldingsUniversal design: matches most fanQuick and easy to fit1.rubber screws for open corner cooling fan. We use top rate supplies so these rubber screws are softer and offer larger noise and vibration dampening.2.compatible to mounting gap sized at 4.3 to 4.8mm diameter, extremely handy for mounting and unmounting cooling fans, additionally super for decreasing noise and vibration caused by cooling fans.3.Be aware of reasonably-priced imitators that use inferior supplies and are very difficult to work with.color: blackMaterial: RubberPackage Contents:32* Rubber Anti Vibration Mount Screw Pin RivetOnly the above package content, different merchandise are usually not included.Note: Light capturing and varied reveals could cause the color of the thing in the photo a bit various from the genuine thing. The size allowed error is +/- 1-3cm.