Do it Best 5 In. 50-Grit 8-Hole Pattern Black Zirconium Vented Sanding Disc with

For use with quick changing hook and loop backing pads. Fits vented sandpaper with 8-hole dust collection pattern pad. Made with durable black zirconium oxide abrasive. Anticlog stearate lubricant resists sand dust build up. Resin coated to resist heat and humidity