Features:High Efficiency Transmission: Eccentric grinding design, provide high efficiency transmission, bring fast speed and good effectPolished And Painted Body: Aluminum alloy material body, polished and painted, oxidation resistant, light weight and easy to controlGrinding Gaps, Irregular Surfaces And Corners: The slotted design is specially designed for the grinding of gaps, irregular surfaces and corners14000Rpm Free Speed: Vibration gauge for 3mm, free speed is 14000rpm, working air pressure support 0.6-0.7MPAWith Accessories: Comes with 3 grinding discs, and connector, screwdriver, convenient for you to use, very practicalSpecification:Item Type: Pneumatic Polishing MachineMaterial: Aluminum alloyProduct Model: KP-6903Vibration Gauge: Approx. 3mm / 0.12inFree Speed: 14000rpmWorking Pressure: 0.6-0.7MPAPackage List:1 x User Manual1 x Polishing Machine3 x Grinding Disc1 x Connector1 x Screwdriver