The LS2 FF323 / FF327 Clear Pinlock Inserts are packed with features.. Specifications include: Pinlock 70 offers strong fog resistance and is custom designed specifically to fit the LS2 visors of the helmets below Max Vision - The latest Max Vision lens offers the rider wide-screen fog free vision through their visor Fits: LS2 FF323 Arrow C / R and FF327 Challenger Model Helmets Prevents Visor Fogging Up Easy to use and clean Tack Free Genuine Pinlock Replacement Part Pinlock Code: DKS147 Please Note: This Pinlock lens is designed to fit Pinlock-ready visors with Pinlock pins already drilled and fitted. Please check that your visor is Pinlock-ready. It will not fit non-Pinlock-ready visors without pins.