VERSATILE DESIGN: Unique folding radial sander adjusts from flat position to 90° for inside corners and 85° for out-of-square corners, perfect for both wall and corner sanding COMPLETE KIT: Includes 18 premium hook-and-loop sanding discs (6 each of 80, 120, and 180 grit) and 9-inch sanding head for comprehensive surface preparation SWIVEL HEAD: Features U-joint attachment enabling 360-degree rotation for smooth, consistent sanding in hard-to-reach areas EFFICIENT SANDING: Locks flat for wall sanding and easily adjusts for corner work, eliminating the need for multiple tools and saving valuable time PROFESSIONAL RESULTS: Multiple grit options from 80 (coarse) to 180 (fine) allow for precise control over finishing, from initial smoothing to final touch-ups Transform your drywall finishing with the WAL-BOARD Folding Radial Drywall Sander Kit, the innovative solution that tackles both walls and corners with a single tool. This versatile 9-inch sander features a unique folding head that adjusts from flat to 90 degrees for inside corners and 85 degrees for out-of-square corners, eliminating the need for multiple tools. The kit includes 18 premium hook-and-loop sanding discs in three different grits - 6 each of 80, 120, and 180 - perfect for progressing from rough sanding to fine finishing. The sander's U-joint attachment enables 360-degree movement for complete coverage and smooth results. The folding mechanism locks securely in place for flat wall sanding, while easily adjusting for corner work. This comprehensive kit provides everything needed for professional-quality drywall finishing, from initial smoothing to final touches. The 9-inch disc size offers excellent coverage for efficient work on larger surfaces, while still maintaining maneuverability in tighter spaces.