MoPao 1000 antomatic grinder/polisher Mechanical transmisson loadfigures display sample speedload pressure,and adjustable sample timeDisc has two functions of two speed and stepless speedgrinding spindle can regulate steplesslybeautiful,durable ABS shell,stainless steel standard partsequipped with quick-change polishing disc,muti-style clampscentural loadinglarge-capacity automatic abrasive distribution systemsimultaneously process many pieces of stylewith one-click programe features