Top quality, genuine Piaggio mirror mount stem nuts. These fit through the headset top, yours should already have holes cut in to take these, these are used to secure the mirrors to the stems in the headset (not supplied but can be bought here - http://lambrettaupgrades.co.uk/apps/webs tore/products/show/8163148
Please note: You need to take the throttle and / or gear rod out of the headset to fit these.
Price is for 1, 2 are usually required.
Price includes VAT @ 20%