Features: 1) Mainly used to parallel and polish the surface of tiles and adjust the thickness of the tiles 2) High sharpness, low noise, low pressure and current for the tiles 3) In order to produce a smooth effect, the selection of grits should be careful 4) Parallel distance between the roller''s axis and floor must be less than 0.05mm 5) Cold water must be adequate 6) Specification can be adjusted according to customer''s specific requirements