Z10 YAMAHA Vmax Virago 535 V-Star 650 1100 1300 Warrior Royal Star Mirrors Size:10 mm reverse thread Certification: E-MARK , DOT and SAE !! Shell made of High grade ABS material with Triple Chrome Plating.Bracket made of High rigidity Metal with Triple Chrome Plating.Good weather ability, High toughness and Smooth surface.Quality Test: Durability test, Chemical resistance and Sudden impacts test.It is comply with three certifications. You don't need to worry about the quality. Direct OEM Replacment.No modification needed, easy to install. PACKAGE CONTENT:A Set of Left & Right side mirrors ( Both included )