1 Set (10 pcs) CNC Street Fighter Aluminum Motorcycle Windshield Windscreen Bolt Screw Kit Green Fit For KAWASAKI GPZ500S/EX500R NINJA 1990-2009 Bolt color:green Bolt heads are cold formed and the shanks threads are rolled 60% lighter than steel and 40% lighter than Titanium we ship by USPS first class international(about 2-5 working days delivery). Tensile strength is 0-560Mpa; which is stronger than mild steel