1. for 2.5 inch Disks: Designed exclusively for 2.5-inch hard drives, these mounting screws a . Please note these screws are not suitable for 3.5-inch hard drives. 2.Vibration Isolation and Sound Damping: These hard drive mounting screws are designed to mute the noise produced by the hard drive and provide shock absorption. The rubber grommet reduces vibrations, ensuring a smoother and quieter operation. 3.High Compatibility for Machines: These 2.5-inch hard drive mounting screws are compatible with several for machines, such as 6000, 6005 Pro, 8000,8100, and compatible for EliteDesk ProDesk G1 G2. 4.Installation Process: To install a 2.5 inch hard drive, use the four included black and blue M3 isolation mounting guide screws. Two screws should be installed on each side of for optimal balance and support. 5.Comprehensive Set: The package includes 32 pieces of 2.5-inch hard drive mounting screws along with washers. Colour:blue+black Material:Metal Package Contents: 32 x Hard Drive Mounting screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.