225mm / 9 Inch PRONET AbrasiveNet hook and loop discs to fit on a dry wall sanding machine or an orbital sander that takes a 225mm diameter disc. These discs are designed with performance and extraction in mind, with a full face mesh design and an open weave backing paired with a high quality long-lasting Aluminium Oxide grain, our PRONET AbrasiveNet discs are the perfect upgrade to your sanding experience.