Product Name: O Ring; Material: SiliconeOuter diameter: 100mm / 3.9 inches; Inner diameter: 96mm / 3.8 inchesThickness: 2mm / 0.079 inchesWeight: 4gSilicone supports a wide temperature range and has excellent resistance to weather and ozone.It fits vacuum tube to stop noise and rattle of the tube. Made of silicon and not hot and burned.These are used for dimmers, absorbed vibration, and many other usesPackage Content: 2 x O RingOnly the above package content, other products are not included.Note: Light shooting 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.
