National Cycle Ranger Heavy Duty cuts the slim profile to the limit for the rider who wants just a small shield The Ranger Heavy Duty, featuers 4mm thick polycarbonate construction with National Cycle's exclusive Quantum coating for 30 times better scratch resistance than acrylic/Lucite windshields Measures 12-1/2" to 15-1/2" tall (adjustable) form headlight cutout and is 16-1/2" wide Mounting hardware must be purchased separately