Features HIGH EFFICIENCY: Pneumatic air sander with 10000RPM super high speed, suitable for all kinds of fine mirror polishing, which is efficient and durable. AIR POWER TOOL: The hand grinder is powered by compressed air, which is energy saving and environmentally friendly, labor saving in operation. 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. WITH 5IN DISC: With hook and loop fastener grinding disc, can be used with suede sandpaper, and equipped with 5pcs sandpapers for easy replacement. WIDE APPLICATION: The working pressure is 0.6‑0.8MPA, widely used in rust removal and grinding of automobile body, furniture, hardware and electronic products, etc. 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 0.6‑0.8MPA, widely used in rust removal and grinding of automobile body, furniture, hardware and electronic products, etc. Specification: Item Type: Pneumatic Sander Free Speed: 10000RPM Disc Size: Approx. 125mm / 5in Orbital Diameter: Approx. 5mm / 0.2in Working Pressure: 0.6-0.8MPA Air Inlet Size: 1/4in Package List: 1 x Grinder 1 x Wrench 5 x Sandpapers 1 x European Connector 1 x User Manual Note: Pay attention to safety protection when using it. Package List 1 x Grinder 1 x Wrench 5 x Sandpapers 1 x European Connector 1 x User Manual