Mounting adapter allows for installing single 2.5" or 3.5" disk drive into a 5.25" PC drive bay. Anti vibration pads eliminate HDD vibration and prevent structure born noise and resonance. Suitable for all SDD and HDD IDE PATA / SATA drives. Black coating.- 2.5" or 3.5" to 5.25" HDD conversion- Eliminates vibration noise and resonance- Black coating