The A290 medium grit paper PSA disc is designed for use with random orbital sanders and right angle grinders, providing excellent value and reliable performance for blending, sanding, and paint removal. Its P-graded aluminum oxide abrasive cuts quickly and ensures a consistent finish while offering great longevity. Featuring water-based stearate No-Fil coating to reduce loading and a flexible, fiber-reinforced backing, the disc allows for fast changes with its pressure-sensitive adhesive.