Feature: 1. It is suitable for fine processing of wood, metal, glass fiber and other composite materials. 2. Compact design, with excellent comfort and controllability, reduce user fatigue by reducing vibration. 3. The built‑in free speed regulator, can up to 12000 revolutions per minute. 4. Using high‑quality zinc alloy + rubber material, wear‑resistant, high strength and long service life. 5. Comes with a comfortable and easy-to-operate rubber handle, can handle long‑term work without exhaustion. Specification: Item Type: Air Sander Material: Zinc Alloy + Rubber Weight: Approx.994g/35.1oz Speed: 12000rpm Air Inlet Size: 1/4 Grinding Disc Size: Approx. 12.5 x 12.5cm/5 x 5in Air Consumption: 0.48m³/min Application: Home decoration, handicraft polishing, rough edge trimming, etc. How to Use 1. Carry out a trial run for at least 30 seconds under no load, and use it after confirming that there is no abnormality. 2. The gas pipe must be placed at the back end during operation to prevent accidents. 3. Hold the machine with both hands during work, and ensure a stable foothold. 4. If the gas stops suddenly during work, the switch must be set to the off state immediately. 5. Please apply even force during the grinding and polishing process, and it is strictly forbidden to apply too much force or hit the object. Package List: 1 x Air Sander 1 x Wrench 1 x Instruction Manual Note: 1. Please allow 1‑2in error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.