Moto Guzzi Mirror Thread Hole Covers, Silver - 2S000807
Finally, an elegant way to cover the mirror holes left in your brake and clutch lever perch/reservoir when you've converted to bar end mirrors.
Sold as a pair and made from billet aluminum.
Despite being offered by Moto Guzzi Accessories Department, these have no Moto Guzzi markings, nor eagle logo, so could be used on any of the below listed bikes:
For Moto Guzzi: