Americo Manufacturing 501020 100 Grit Sand Screen Discs (10 Pack), 20"Americo Manufacturing 501020 100 Grit Sand Screen Discs (10 Pack), 20" 20 inch 100 Grit Sand Screen Discs, 10 per pack Extra Coarse grit Aggressive removal and repair disc Commonly used for coatings repair on wood, gym or painted floor surfaces Available in 60 80 100 120 150 grit Made in USA Americo has over 40 years in the professional cleaning industry, manufacturing and selling the widest variety of floor pads, floor mats and cleaning accessories.