• Use the fastest-cutting, longest-lasting net sheets in the world. 3M™ Cubitron™ II Net Abrasive Sheets help dust extractors achieve their best-possible performance. • Like other 3M™ Cubitron™ II abrasives, the patented triangular-shaped mineral grains on these net sheets slice through substrates, rather than gouging or plowing like conventional abrasive grains.