Auto Lens Edger is europe style in outline design, polishing by grinding ... reversible type and universal model clampingAs a result, efficiently avoid lens slide, being broken, and moreLarge grinding wheel with 155mm diameter ... +16.0mm (scale: 0.1mm) Size of figure: 680 x 530 x 550mm Weight: 48kg Electrical source: AC 220V/110V, 50/60Hz ...