This is a rubber cover to hide the screw holes that comes with ALPINE flip-down monitors. The color is gray, and there is one piece. This is a new, unused item that has been stored. It is compatible with all Alpine rear vision models, but please check the size just in case. The diameter is approximately 17.5mm. There may be some dust or small debris that has accumulated during storage. Please refrain from purchasing if you are concerned about this. The photos are reused. Please purchase only if you need it. We are unable to offer a discount on this item. Thank you for your understanding. #PXH12X #PXH11X #PXA10S #PXH9S #RXH12X2-L-B #TMX-R2200 #PCX-R3300 #PCX-R3500 #TMX-R3200 #TMX-R3000