The CAT® DX49U 3.5 AMP Corded Oscillating Multi-Tool (also referred to as DX49 or DX49.1, 350W) is a professional-grade, versatile power tool designed for cutting, sawing, sanding, and scraping in tight or awkward spaces. It is engineered for durability with an aluminum gearbox and provides a high-performance oscillating motion for both professional contractors and DIY users