Feature: 1. The polishing machine is small in size and light in weight, making it convenient to take. 2. The polisher is suitable for surface grinding, deburring, polishing and shaping of metal parts, wood components, rubber tires, castings, etc. 3. This product runs smoothly, and is stable and wear‑resistant with adjustable speed. 4. The product is made of high‑quality material, which makes it durable and have long service life. 5. With professional design and reasonable structure, our polisher is easy to use and operate. Specification: Item Type: Pneumatic Polishing MachineMaterial: Alloy steel Product Model: KP-410N Free Speed: 23000rpm Inlet Connector: 1/4 inch Product Net Weight: Approx. 0.28kg / 0.6IbProduct Model: KP-410N Body Length: Approx. 150mm / 5.9in Working Pressure: 0.4-0.6MP . Package List: 6 x Polishing Sheet1 x Polishing Machine1 x Wrench1 x Grinding Disc1 x Air Nozzle (The color of the nozzle is shipped randomly)1 x User Manual Note: Confirm whether the grinding head is fixed before use.