JIAHAOO Mini Electric Grinder 5400 RPM for Delicate Surface Smoothing Glass Etching Watch Repair DIY Crafts

High-speed 5400 RPM reciprocating electric sander delivers efficient and precise sanding results for various surfaces. Dedicated silicon sandpaper set includes 8 types of interchangeable nylon sanding bits, 7 different grit #180/280/400/600/800/1000/1200. The combination of soft membrane abrasive layer and silicon rubber make the sandpaper conforms sanding surface better and provides more thorough grinding action. Sanding works become more relaxing with linealreciprocating action, higher efficiency, less vibration. Upgraded motor with 30% more torque and rpm. 30% performance gain thanks to high mesh helical tooth gears CNC machined brass bushing guarantees smooth running andstability