It is a professional tool for cutting, chamfering, grinding, carving, internal processing and polishing. It's designed for application of metal, plastic, wood, porcelain, stone, glass, aluminum gift, bracelet, etc.Main Function:Precision grinding of all kinds of metal.Cleaning of various metals, chamfering, grinding, carving, internal processing.Cutting plastic, stone, wood, etc., grinding, polishing.Grinding various types of welding surface.Specifications:Color: Black / Red (Random Delivery)Speed: 65000 RPMCollet Size: 3mm, 2.38mmType: Grinder, PolisherLength of Pen: 132mm / 5.2inAir Pressure: 90 PSIAverage Air Consumption:60 L/minItem Weight: Approx. 176g / 6.2oz (Air Grinder with 1.4m Air Hose with protective sleeve)Package Size: Approx. 34 * 20 * 5cm / 13.4 * 7.9 * 2.0inPackage Weight: Approx. 697g / 24.6ozNOTE:The lubricating oil is not included due to the shipping problem.Package List:1 * Air Grinder with 1.4m Air Hose with protective sleeve1 * Oiler2 * Spaner1 * Collet1 * Quick Release Air Hose Adaptor1 * Blow Mold Case10 * Grinder Head1 * User Manual