Spacer, sleeve, for rubber grommet, fairing screw

GU91180607 Metal spacer sleeve used in  body panel rubber grommets, center hole is for 6mm bolt, fits inside  rubber grommets 91551010, 91551085 and 91551086. This sleeve, combined  with the rubber grommet, effectively rubber mounts fairing and body  panels, starter covers, tail lights, anti vibration electrical panels,dash boards or instrument consoles, and other parts on Moto Guzzi motorcycles from the mid 70's until 2010