This brand-new N862773 drywall sander nut measures approx 1.90×1.70×1.10 inches, engineered for perfect compatibility with DWE7800 models. Made of high-strength carbon steel with standard thread design, it solves issues like accessory loosening, disc wobbling and abnormal noise during operation. With a direct-fit structure, it enables hassle-free installation and fully secures the sander's components to restore stable working performance.