[Features] Aluminum oxide abrasive disc, easy and quick to install thanks to its self-gripping backing. 【Sanding】 Sandpaper suitable for sanders, additional removable triangular piece of 105 mm x 152 mm x 93 mm for precision work. [Application] Surface grinding of metals, non-ferrous metals, steel and alloys, wood and hollow materials, plastics and polymers and stainless steel. 11 perforations ensure optimum dust removal. 【INCLUDED】 You get 6 different grit sizes, 40, 60, 80, 120 and 180, 10 sheets of each, 60 pieces in total. This means you have the right sandpaper for every situation.