Fein manufactures the 63717230020 perforated sanding sheets, which come in a pack of 16 units with a coarse grit of 40. These eccentric sanding sheets are ideal accessories for grinders, enhancing their performance for heavy-duty grinding tasks. The product is typically used for rough sanding applications on wood, metal, and similar surfaces. https://elecena.pl/product/28938618/fein-63717230020-sanding-sheets-grit-40-perforated-16-units-hook-loop 2025-06-12 https://elecena.pl/product/28938618/fein-63717230020-sanding-sheets-grit-40-perforated-16-units-hook-loop 2026-07-12