Josco Poly Flap Discs are made from a non-woven abrasive cloth and are ideal for removing rust from steel surfaces, cleaning up and removing paint from steel, stainless steel and aluminium, cleaning and finishing of TIG weld seams, polishing stainless steel, and light deburring & de-scaling on steel. Dependent on the hardness and application, they are available in colour coded Coarse (brown), Medium (red) and Fine (blue).