Comma Scraper, used in coating, gluing, laminating machine, compositing. Comma Scraper , Shanghai Donghui Roller is very good at ... steel tubes, forge alloy steel pipes 2. Pattern:world modern processing insure embossing roller's pattern true up to 98%. 3D, laster ... roller is 0~300LPI.Ceramic anilox roller is 0~1200LPI. Pattern is pyramid,comby,dot,mess dot,diamond,hexagon,sloping line ...