Universal Compatibility: Applies paper tape and joint compound simultaneously to flat surfaces and inner corners for seamless results. Designed for 75 or 150 meters of paper tape, with spring-loaded crease wheels and built-in tape cutters for convenience. Enhanced Capacity and Functionality: Features a larger 2.5L capacity, expanded tape wheel, combined crease wheel or tape cutters, and adjustable mud flow regulator for broader coverage with fewer refills. User-Friendly Maintenance: Simple manual refilling eliminates the need for dry tape. Easy to clean and designed for hassle-frees operation, offering flexibility and reliability for DIY enthusiasts and professionals. Robust Construction: Made of stainless steel and aluminum components, the tool is easy to clean and compatible, protecting your investment with affordable custom cases. High Efficiency: Allows simultaneous application of paper tape and joint compound on flat finishes and interior seams, maximizing efficiency to produce a smooth finish in less time with minimal effort for professional-quality results.