Includes screw and mounting hardware for almost all handlebars with 12 mm to 22 mm inside diameter. CNC-machined, hard anodized surface. 24 mm long (outside the tube) and weigh 29 g each (without inside mounting kit parts). Do not fit Kawasaki handlebars with M8 thread or Harley Davidson handlebars; BMW R nine T applications require use of the GTO-L handlebar..