Designed for maximum shock absorption, our silicone pads are ideal for use in computer cases and other electronic enclosures. The four-layer construction provides vibration isolation, protecting your circuit boards and hard drives from damage. These pads are made from durable silicone, ensuring performance and reliable protection for your electronic devices. Features -Color:Grey -Material:Silicone -Size:1.30X1.30X1.20cm/0.51X0.51X0.47in -Inner hole diameter: 6 mm -groove outer diameter: 10 mm -Advanced vibration dampening: fourlayer design effectively dampens vibrations, maintaining circuit board stability -Reliable silicone : silicone shock absorption provide reliable support and protection against impacts -Convenient installation: designed for easy installation and assembly of circuit boards, making it userfriendly -Hard drive vibration protection: protects hard drives from vibrations and shocks, ensuring their durability and data safety -Gentle silicone cushioning: soft silicone material ensures no damage to the circuit board, offering effective cushioning Package list: 20 x shock absorbing pads