Diablo SandNet 5-In. 180-Grit Sanding Discs with Connection Pad, 40-Pack are for light stock removal and preparing surfaces for painting with a smooth finish. Designed with a universal hole pattern, these sanding discs fit all 5 and 8 hole sanders, making them versatile for various sanding tools. The innovative clog-reducing NET design combined with a premium ceramic grain blend helps minimize dust build-up and ensures fast material removal, extending the life of the discs. These sanding discs are reusable and come with a convenient connection pad for easy attachment to your sanding tool, enhancing efficiency and ease of use. Model Number: DND050180H40I