Our 3M™ Green Corps™ Hookit™ Abrasive Sheet 255U combines features for smooth sanding on tough surfaces. Grade 36 to 100 ceramic and aluminum oxide blend abrasive is resin bonded to durable D or E weight paper backing, with open coat construction that reduces loading even on fresh filler. Sheets are ideal for shaping plastic filler and putty, paint removal and scratch refinement on bare metal.