Faster grinding with dual spindle system The unique dual spindle system of the SE-9090 series incorporates a program which automatically controls grinding pressure at seven different levels. Simultaneous dual-side lens measurement The SE-9090 Supra L simultaneously measures both front and rear sides of the lens for faster operation. High quality automatic polish safety beveling The SE-9090 Supra L offers automatic safety beveling and polish safety beveling, paying the utmost attention to the beautiful finish as a standard feature. Features Faster grinding with dual spindle system User-friendly 10.4-inch SAGA color LCD touch panel Simultaneous dual-side lens measurement High quality automatic polish safety beveling