Work Finisher Tools feature a ceramic blade ideal for deburring and deflashing hard plastics while eliminating the fear of cutting your hands, fingers or damaging the molded part in the process. These tools excel on ultra-hard resins like glass-fiber, carbon-fiber and talc filled plastics. They also work well for deburring and chamfering non-ferrous metal such as copper, aluminum and brass products. The blade holds its edge indefinitely without re-sharpening, will never rust, and is non-magnet and chemical resistant. To Use: Incline the ceramic blade on the workpiece at an angle of 30-70 degrees depending on the amount of flash/burr to be removed and pull toward yourself. Available in 3 different sizes: