Features: 1) It is pressurized through spring and equipped with a hand crank plate type 2) The degree of finish can be as high as over 100 degrees 3) Change of triangular abrasive can be made on demand to realize coarse or fine polishing,and the marble grinding wheel or resin abrasive may also be changed for coarse grinding and fine polishing. 4) It is equpped with a motorized column type elevating mechanism or a manual elevating mechanism. Main Technical Data: ItemUnitDataDimensions of processing slabsmm3000×650Grinding wheel diametermmΦ260Range of vertical movementmm0 520Elevation form /ElectricGeneral Powerkw5.87Dimensions(L×W×H)mm3200×750×1320Weightkg950