Do it Best 5 In. 40-Grit 8-Hole Pattern Vented Sanding Disc with Hook & Loop Backing (50-Pack) Atlantis Rail System A water-resistant acrylic resin admixture

A water-resistant acrylic resin admixture for Portland cement-based repair and patching products

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In addition to providing increased torque

When budget is a consideration

Do it Best 5 In. 40-Grit 8-Hole Pattern Vented Sanding Disc with Hook & Loop Backing (50-Pack) Atlantis Rail System A water-resistant acrylic resin admixtureFor use with quick changing hook and loop backing pads. Fits vented sanders with 8 hole dust collection pattern pad. Made with durable aluminum oxide abrasive. Anti clog stearate lubricant resists sand dust build up. Resin coated to resist heat and humidity. For use on wood, metal, drywall, fiberglass, or painted surfaces.