Blu-Mag "Clip-On" Body File Sheets 2-3/4"x17-1/2" 180E, 50Pk Norton Clip-On Blue Body File Sheets are on a tough E weight paper/latex backing which resists tearing with high performance self-sharpening zirconia grain that cuts fast, lasts long and resists loading. . Ideal for sanding body filler.. High strength blue latex paper backing - Improves performance and flexibility, Reduces curling and edge chipping. Latest NorZon grain design - Self-sharpening, Improves rate, Extends product life. Proven coating technique - Improves rate, More consistent, uniform scratch pattern. Superior bond system - Optimizes grain adhesion, Extends product life 26511 No -