Diablo 5-In. 320-Grit SandNet Discs with Connection Pad, 40-Pack are for intercoat sanding of stain and varnish. Designed with a universal hole pattern, these discs fit all 5 and 8 hole sanders, making them versatile for various sanding tools. Their clog-reducing NET design combined with a premium ceramic grain blend minimizes dust build-up and ensures fast material removal, extending the sanding life significantly. These reusable discs come with a connection pad for easy attachment to your sanding tool, enhancing convenience and efficiency during your projects. Model Number: DND050320H40I