Crafted from silicone, these shock absorption pads are your circuit boards and hard drives from impact and vibration. The four-layer design ensures maximum stability and support, making them an essential accessory for any electronic setup. They are easy to install and provide performance. Features -Color:Grey -Material:Silicone -Size:1.30X1.30X1.20cm/0.51X0.51X0.47in -Inner hole diameter: 6 mm -groove outer diameter: 10 mm -Enhanced stability: the fourlayer design significantly minimizes vibrations, ensuring the circuit board remains stable during operation -Durable silicone : silicone shock absorption offer robust support and reduce the risk of damage from impacts -Versatile use: ideal for mounting and assembling circuit boards, providing a versatile solution for various electronic applications -Hard disk cushioning: protects hard disks from vibrations and impacts, ensuring data integrity and prolonged lifespan -Gentle on components: the soft silicone material is gentle on circuit boards, preventing scratches and other potential damage Package list: 20 x shock absorbing pads