Features: Hook-and-loop sanding disc made in Germany for all types of wood. Suitable for use on all wood types, solid woods, veneers, glued woods, and OSB boards. Intense sanding due to high-quality corundum abrasive grain. Very evenly sanded surfaces thanks to a uniform paper backing. No premature clogging due to a slightly open grain. Suitable for flat and edge sanding, orbital and random orbital sanders, as well as hand sanding. Slightly open grain. STIER products are developed by professionals from crafts and industry, combining high performance with ergonomics. Powerful. Durable. Long-lasting.