BHA Silicon Carbide Semi-Flexible Masonry and Coating Removal Sanding Disc, 4.5" x 7/8" - 5 Pack (24 Grit) 24 Grit hidden as it locates in the

as it locates in the middle of the two knobs

7% of the selenium gets absorbed into the body

The length is sufficient for daily use

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BHA Silicon Carbide Semi-Flexible Masonry and Coating Removal Sanding Disc, 4.5" x 7/8" - 5 Pack (24 Grit) 24 Grit hidden as it locates in theBHA Silicon Carbide Semi Flexible Masonry and Coating Removal Sanding Disc, 4. 5" x 7 8" 5 Pack (24 Grit) The BHA 4. 5 x 7 8 Silicon Carbide Semi Flexible Disc features multiple layers of high quality silicon carbide grains adhered to a vulcanized fiber backing in a spiral like pattern. These 4 1 2 inch discs are stiff to the touch but provide some give during use hence their "semi flexible" name. Each semi flex disc is coated with premium Silicon