Designed for use with random orbital sanders and rightangle grinders, the A290 medium grit paper PSA disc offers outstanding value and reliable performance on blending, sanding and paint removal projects The Pgraded aluminum oxide abrasive cuts fast and ensures a consistent finish while delivering excellent longevity To reduce loading, the disc features a waterbased stearate, nofil coating and open coat, while the flexible Cweight latexsaturated backing is reinforced with fiber for added tear resistance To enable fast disc changes, the disc comes equipped with a pressure sensitive adhesive