Fein 80 mm perforated zirconium sanding sheets designed for high sanding performance on extremely hard surfaces such as varnish, parquet paint and metal. The heavy-duty paper backing, tough synthetic resin bonding and high-quality zirconium corundum abrasive provide excellent durability for demanding sanding and floor covering applications. Perforated for use with compatible sanding pads and dust extraction, with hook-and-loop fastening. Available in 40, 60 and 80 grit, with 35 sanding sheets supplied per pack.