Ultra High-Speed Natural Blend Floor Burnishing Pads 3300, 27" Diameter, White, 5/Carton3M Natural Blend White Pad 3500, constructed of a blend of natural (hog's hair) and synthetic fibers, delivers a high gloss and minimizes swirl marks on a wide range of finishes. First choice for fine polishing with corded electric burnishers, the natural blend white burnish pad can be used with all electric and propane ultra high speed (1500 rpm or greater) floor machines. Resins are dispersed uniformly throughout the pad for solid performance