General description The 20Pcs 120mm Anti-Vibration Silicon Fan Gasket is designed to enhance the performance of your PC or industrial fans by providing effective shock absorption and noise reduction. These silicone pads are easy to install and fit seamlessly between your computer case and fan, ensuring a quieter and more efficient operation. Technical specifications Color: Black Material: Rubber Size: 12cm x 12cm Package Contents: 20 x Fan Shock Pad Measurement allowed error: +/- 1-3 cm