Motorcycle Rear Mirror Adapter M8 8MM 6MM M6 Clockwise Anti-clockwise Right Left Hand Thread Changing Increase Screw This adapter allows for conversion between different thread sizes and types for motorcycle rear view mirrors.It supports M8, 8mm, and M6 threads with both clockwise and anti-clockwise orientations.The adapter facilitates right-hand and left-hand thread changes, enabling compatibility between mirror mounts and stems with mismatched threading.It functions as a thread size increaser or reducer depending on the configuration.The compact design easy installation without interfering with other components on the handlebar or mirror assembly.