... (steel stick ) with the same distant, height and similar dimension.The top diameter of the protrusion is 10μm~100μm, height ... can bite into every kind of paper, ensure site, speed and accuracy, and realize input and output signal of working medium.Apply to: The x ... Mt.Fuji”Roller Features1. Wildly used in different qualities of film, paper, advertising cloth and photo-paper.2. High accuracy, fast speed ...