Feature:1. HIGH EFFICIENCY: Pneumatic air sander with 10000RPM super high speed, suitable for all kinds of fine mirror polishing, which is efficient and durable.2. AIR POWER TOOL: The hand grinder is powered by compressed air, which is energy saving and environmentally friendly, labor saving in operation.3. STANDARD SIZES: This pneumatic grinder has standard connector, with a 1/4in air inlet size and a 5in grinding disc size for easy installation and use.4. WITH 5IN DISC: With hook and loop fastener grinding disc, can be used with suede sandpaper, and equipped with 5pcs sandpapers for easy replacement.5. WIDE APPLICATION: The working pressure is 0.60.8MPA, widely used in rust removal and grinding of automobile body, furniture, hardware and electronic products, etc.Specification:Item Type: Pneumatic SanderFree Speed: 10000RPMDisc Size: Approx. 125mm / 5inOrbital Diameter: Approx. 5mm / 0.2inWorking Pressure: 0.6-0.8MPAAir Inlet Size: 1/4in.Package List:1 x Grinder1 x Wrench5 x Sandpapers1 x European Connector1 x User ManualNote:Pay attention to safety protection when using it.