Mirror holder clamp made for Beringer Brake and Clutch Master Cylinders.
Guide:
MDC6 Mirror Holder brake side, 10mm Hole
MCD6H Mirror Holder brake side, 1" handlebar, 10mm Hole
MCD7 Mirror Holder clutch side, 10mm Hole
MCD7H Mirror Holder clutch side, 1" handlebar, 10mm Hole