Proxxon 28583 13-Inch by 13/32-Inch Aluminum Oxide 80 Grit Sanding Belts, 25-PK Replacement Sanding Belts 13" x 13/32" (330 x 10 mm), made from high-quality aluminum-oxide on tough, woven, lightweight cloth backing. For grinding metal, non-ferrous metal, wood and plastic. Made in Germany