Ride Smart And More Safely With SerfasA(C) Bar End Mirrors To Help Increase Awareness And Visibility Of Your Surroundings As You Ride. Unbreakable Stainless Steel Lens Eco-Friendly High Impact Nylon Fiber Mirror Body Universal Design Works For Left & Right Features: Unbreakable Stainless Steel Lens Eco-Friendly High Impact Nylon Fiber Mirror Body Universal Design Works For Left & Right Specs: Fits Handlebars With 16mm-22mm Diameter Bar Ends Color: Black Installation Torque Spec: 1 lb/ft (12 kg/cm) using 5mm Hex wrench