Industrial grade multifunctional pneumatic grinder for polishing/rusting/waxing/grinding Eccentric shaft design, eccentric arc of 5mm, strong, smooth and even grinding The speed adjustment function conveniently controls the air flow and changes the rotation speed. Suede Nylon Sticker: Suede Nylon Sticker is not easy to fall off and comes with a variety of grinding discs Silent exhaust holes reduce noise, continue to dissipate heat, and continue to work without getting hot.<br><br>Model 5 inch polishing machine Idling speed: 12000RPM Eccentricity: 5mm Chassis size: 125mm Working air pressure: 6-7kg/cm² Tips: The product may be updated constantly, The Actual Product May Have Slight Differences Or Color Differences the color and appearance may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Colour:Red Material:plastic<br><br>Package Contents: 1 x sander machines<br><br>Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.