Description A Micro-Mesh flat sheet, in a generous 6 x 4 inch size, with 12,000 grit for nib work or where super fine abrasive is needed. Good for super fine mirror polish or for use in smoothing nibs. Safer on imprints and metal trim. Use wet for best performance and longevity. Please see our instructional blog post on how to best use Micro-Mesh Here!