... 1, Double column 2, Gas-cooling without pollution 3, CE and ISO9001:2008 4, higher efficiency *Flexible stainless steel blade*Wood ... 80mm1, Double column 2, Gas-cooling without pollution 3, CE and ISO9001:2008 4, higher efficiency 5, USD38800/setlens groover # 1800A ... 1. DC motor 2. Suitable for PC,plastic,glass lenses 3. Stainless steel panel with groove ...