Made from stainless steel. Best looking adapters ever made. One end is 5/16" fine thread and the other is 10mm. Use on American version of our mirror arms to adapt to your metric ride. These adapters fit the following bikes: Buell, Victory, Triumph, Honda, Suzuki, Kawasaki, Yamaha and Ducati.
NOTE: THE THROTTLE SIDE ON SOME YAMAHA MODELS REQUIRES AM-5060S BECAUSE IT IS LEFT HAND THREAD. ORDER ONE OF EACH IN THAT CASE. IF NEEDED CONTACT US OR NOTE IN CHECKOUT.