●Set of 4 Anti-Vibration Dampers for CD/DVD Drives Units with Built-in Audio Devices ●Can be used as a replacement for a deteriorated damper. ●Outer Diameter 0.6 inch (14 mm), Height 0.5 inch (13 mm), Shaft Hole Diameter 0.3 inch (7 mm), Through Type 2 Tiers ●Material: Rubber
[Outer diameter 14mm height 13mm shaft hole diameter 7mm through type two stages]