Good QualityThis air cutter set comes with good quality and practical and practical tool for polishing and grinding. Small sizeThe compressed air rod grinder is small in size, light in weight, high in speed, low in noise. Ergonomic DesignThe compressed air carrier set comes with an ergonomic tool, compact and powerful grinding and polishing tool, not easy to pneump. Low air consumptionThis air grinder has the advantages of convenient use, low air consumption, simple operation and low cost. ApplicationThis compressed air rod mill is applicable to all kinds of molds, hardware products, glass, stone, crafts, jewelry, circuit board manufacturing and other cutting, grinding and finishing needs. Features: Good quality and practical, a perfect set of tools for polishing and grinding. Small size, light weight, high speed, low noise level. Ergonomic design, compact and superior performance grinding and polishing tool, not easy to fatigue people. This tool has the advantages of convenient use, low air consumption, simple operation and low cost. High concentricity, high efficiency revolution, high quality, long life. Applicable to all types of molds, hardware products, glass, stone, crafts, jewelry, circuit board manufacturing and other cutting, grinding and finishing operations needs. List of packages: 1 x pneumatic sander 5 x grinding head (6mm shank diameter) 5 x grinding head (shank diameter 3mm) 2 x key 1 x input connector 1 x chuck (inner circle diameter 3mm) 1 x packing box