This 280-git sanding sponge is perfect for finishing areas previously refined with coarse grits. Ideal for the final touch-up to clear parts before polishing them. The flexibility of the material easily conforms to any shape including rounded surfaces or hard-to-reach recesses. . Can be used on a full range of materials including resin, metal, wood and, of course plastic. It’s also highly useful for removing traces of glue or putty when filling gaps. It can be used both dry and moistened with water.