Feature:1. [ECCENTRIC POLISHING] The air sander is of eccentric grinding design, with high efficiency transmission and fast speed.2. [SLOTTED SANDING] With slotted sanding design, specifically for sanding gaps, irregular surfaces and corners.3. [ALUMINUM ALLOY] The air grinder is made of aluminum alloy material, polished and painted, lightweight and oxidation resistant.4. [HIGH EFFICIENCY] The working air pressure is 0.6‑0.7MPA, the free speed is up to 14000rpm, which is efficient and practical.5. [EASY OPERATION] With start switch and sensitive speed control switch, it is easy to operate and has a wide range of applications.Specification:Item Type: Air Grinding MachineMaterial: Aluminum AlloyProduct Model: KP-6902Vibration Track Pitch: Approx. 3mm / 0.12inFree Speed: 14000rpmWorking Pressure: 0.6-0.7MPA Package List:1 x User Manual1 x Air Grinding Machine1 x Grinding Disc1 x Connector1 x Screwdriver