Upgraded PRO Reciprocating Electric Sander: 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 better and provides more thorough grinding action. Refill pack available for purchasing. 25 min fully , 80 min battery life, Direct connection of charging module,Can be operated while charging. Perfect for hobbyists, 3D printing enthusiasts, or professional model makers, this sander ensures your projects achieve a professional, factory-like finish., Weight: 0.71429772888 pounds, Manufacturer: Awwertse