National Cycle Custom Heavy Duty Windshield For Harley National Cycle's Custom Heavy Duty windshield is a fixed windshield that needs an Allen key for removal. This windshield offers height along with being slim profile which is perfect for those who take long rides. Quantum hardcoating on the windshield protects your windshield from any scratches you might pick up while riding or sitting in the garage. Features Made from polycarbonate Quantum hard coated for maximum scratch resistance Dimensions: 19-21 (adjustable) high from headlight cutout to top of screen X 18.75 wide X 4mm thick Chromed hardware Fixed Fork mount hardware Requires mounting kit