Plug is used to cover the hole that is left when changing from handlebar mounted mirror to bar end mirror. it is made in light alloy, machined from solid and then anodized.

Right hand M10 thread - Pitch 1.25mm. 
Kit consists of 1 plug
 
Fits to - basically universal
 
PLEASE CHECK THE REQUIRED SIZE BEFORE ORDERING. YOU CAN TAKE YOUR MIRROR IN TO A HARDWARE STORE AND CHECK THE THREAD. IF YOU ORDER THE WRONG TYPE AND NEED TO SWAP IT WILL CONSTITUTE A CHANGE OF MIND RETURN UNDER OUR CONDITIONS AND BE SUBJECT TO RESTOCKING FEE.