Knurling Tool, Shanghai Donghui Roller is the excellent expert all over the world. 1. Dot shape / pattern: pyramid / squater / comby / dot / mess dot / damond / hexagon and others. 0 ~ 300 LPI, different types of designs 2. Application: Mainly used for coating, coloring and embossing, and suitable for the large quantity production of anilox and embossing rollers. 3. High precision & High quality 4. Good reputation & Good service. Knurling Tool 0 ~ 300 LPI.