Feature:1. Press Type Design: This pneumatic sander adopts a press type opening and closing mechanism, which is convenient and quick to press, comfortable to press, improves work efficiency, not fatigue for long term use, and suitable for irregular grinding.2. Internal Filter: The air inlet port of the pneumatic sander contains a filter to prevent debris from entering, so as not to damage the body of the machine.3. Wide Application: This pneumatic sander is suitable for producing fine finishes on wood, metal, fiberglass and other composites, etc.4. High Accuracy Collet: This pneumatic sander uses a high accuracy collet, the collet is very sturdy, not easy to fall off when using, and is very safe.5. Powerful Sander: This pneumatic sander is very powerful, with high output power, low air consumption and has a long service life.Specification:Item Type: Pneumatic SanderMaterial: Zinc AlloyAir Inlet Size: 1/4inchRotation Speed: 10000rpmAir Pressure: No More Than 90PSIG.Package List:1 x Pneumatic Sander1 x Wrench