DOT Approved Adjustable Height Motorcycle WindshieldAdjusts in seconds from 6.5 to 9.5 without the use of tools. Measurement is taken in the center of the shield from bottom to top.Made from 316 Aircraft Grade Lucite acrylic- the industrys leader in clarity and quality.052 thicker than OEM windshield offering increased strengthSurface scratches in windshield can be removed with commercial cleaners and polishesFitmentKawasaki Vulcan Voyager 2009 - presentKawasaki Vulcan Vaquero 2011