Description: The fill material of these brushes adapts itself ideally to the profile of the work piece without damaging the surface. During use ,new abrasive grits are continuously exposed, so giving optimum abrasive performance. Blue abrasive nylon fibers have a fine grain (180). Red abrasive nylon fibers have a coarse grain (80). Removing lacquer, dedusting, smoothing, depolishing, cleaning, wood graining. Size: 25 MM Sku: 080735S