Specification: Condition:100% Brand New, reliable quality. Product Name: Motorcycle Helmet Lens Material: PC Upper Length: 42cm Lower Length: 40cm Height: 5cm Mounting Hole Diameter: 2cm Helmet Style: Full Face Use: Motorcycle Helmet Size: One size Quantity: 1pcs Fitment: For K3SV K5 K1 Not Fits: For K3 / K4 Helmet Features: 1.Good toughness, high flexibility.Multiple colors for your choice 2.Anti-UV, Anti-fog and Anti-scratch treatment. 3.Easy to change, use immediately. 4.Protects your eyes from sunlight, wind, rain and insects while driving,guarantee your driving safety. Package Includes: 1 x Motorcycle Helmet Lens Note: 1.We provide clear pictures, measurements where possible. Please check as much as possible to make sure the item is the one that you need. 2. Please allow 0.5-1 inch difference due to manual measurement.(1inch=2.54cm) 3.There Are No Instructions Included In This Kit.Professional Installation Is Highly Recommended! 4.The color of the actual items may slightly different from the listing images due to different computer screen, thanks for your understanding. 5.The visor only for K1 K3-SV K5 helmet, but it does not for K3 K4 helmet visor.