Soft abrasive mineral and non-woven web are ideal for cleaning, blending, finishing, and light coating and corrosion removal Conformable pad gets into corners and over contoured surfaces to produce a uniform finish\Open web construction resists loading and rinses clean for repeated use Non-woven 3D structure provides long life and consistent finishes Attaches to random orbital sander (hookit backup pad) for increased cut-rate and cover larger areas .