9In Phenolic Backing Disc
9" Phenolic reinforced backing plates for sanding and grinding work. These discs are designed to be lightweight and provide desired flexibility for sanding. If additional rigidity is required, combine 2 or 3 together. Each plate has the same molded depressed center contour and 7/8" I.D. hole. Maximum safe speed is 6,000 RPM. Always wear safety eye and face protection for this type of work.
