1. Material: Black POM 2. 4-Axis CNC Machining Process 3. Tolerance: +/-0.02mm 4. MOQ:200Pcs 5. As your Designs. Black POM Roller for Industrial Specification: Material Aluminum, Steel, Brass, POM and etc Surface TreatmentPolishing, Powder coating, Spraying, Anodising, Zinc Plating and etc Tolerance+/-0.02~0.05mmEquipmentsa) CNC Machining Centerb) CNC Lathesc) CNC Milling Machinesd) Punching ...