Features EXCELLENT PERFORMANCE: Accuracy chuck, stable operation, strong head, strong output power, low gas consumption, and long service life. EASY TO USE: Push on switch, easy and fast to press, comfortable to press, improves work efficiency, long term use without fatigue, suitable for irregular polishing. WITH FILTER SCREEN: Intake interface contains a filter screen to prevent debris from entering and damaging the body. WIDE APPLICATION: Suitable for producing fine finishes of wood, metal, fiberglass, and other composite materials. FINE WORKMANSHIP: Well crafted in strong and durable body, our polishing machine ensures unhindered and stable rotation and safe reliable use. Specification: Item Type: Pneumatic Sander Material: Alloy Steel Speed: 10000RPM Inlet Port: 1/4 in Inlet Pressure: 90PSI (0.63MPa) Package List: 1 x Pneumatic Sander 1 x Wrench  Package List 1 x Pneumatic Sander 1 x Wrench