Product name:Huvitz Patternless Edger Excelon HPE-7000 Certificate:ISO CE Designation:Optical Equipment Grind Material:CR, GL, PC Clamping force:0.50~0.78 mega pascal Grinding diameter:18~75 mm Fineness of ground side:B VII grade Operation noise:Below 60DB Diameter arrangement of grinding wheel:100mm~125mm Width of grinding wheel group:60mm~100mm