4" (100mm) White Hook & Loop Sanding Discs - 1Pc

White dry sanding discs is an aluminum oxide paper with an open coat, prevent clogging, anti-static, good flexibility, wear resisting, that provides outstanding life and superior finishes. It is commonly used on automotive, wood, metal, fiber glass and other disc applications. Disc grips to the appropriate back up pad attached to an orbital or DA disc sander or angle grinder. 
Grit refers to the average particle diameter. The larger the grit, the smaller the particle size. The smaller the grit, the coarser the particles are. According to the grit range: 60~1000 grit.

Disc diameter: 4 inch(100mm)

Grit number:60,80,100,120,150,180,240,320,400,600,800,1000

Weight: 6.2,6.1,5.3,5.0,4.6,4.2,3.6,2.9,2.7,2.6,2.5,2.6g/per disc.