COSPOF 4-1/2 Inch Flap Discs 40 Grit,10 Pack Ceramic Grinding Wheels,4.5" x 7/8" Flap Disc for Angle Grinder Used For Metal Grinding and Blending,Type #29. Grit 40#-10pcs Size:Grit 40#-10pcs Read more Note: The picture

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COSPOF 4-1/2 Inch Flap Discs 40 Grit,10 Pack Ceramic Grinding Wheels,4.5" x 7/8" Flap Disc for Angle Grinder Used For Metal Grinding and Blending,Type #29. Grit 40#-10pcs Size:Grit 40#-10pcs Read more Note: The pictureCOSPOF 4 1 2 Inch Flap Discs 40 Grit,10 Pack Ceramic Grinding Wheels,4. 5" x 7 8" Flap Disc for Angle Grinder Used For Metal Grinding and Blending,Type #29. Ceramic grains offer special advantageous properties that make them the longest lasting and fastest cutting. 1: Ceramic grains are self sharpening, their molecular structure causes them to fracture in a way that continuously produces sharp cutting edges. Its totally different from normal aluminum