LeFix 8 Pack Screws Isolation Grommet Mute Mounting for HP 3.5" 3.5inch HDD DC5800 DC7800 DC7900 6005 6200 6300 Z200 6000 8000 8100 8200 8300 Z400 Z200 Z210 Z220 Z600 450712-001 (8 Screws)

If you are installing a 3.5-inch hard drive, install four silver and blue 6-32 isolation mounting guide screws (two on each side of the drive) | The package contains 8 hard drive isolation screws with grommets | Screw Color:Blue Silver color | Screw Size:#6-32 (Imperial) | Fit for most HP desktop machines.Note:They are only suit for 3.5" HDD , do not suit for 2.5" HDD