Technical data universally applicable sanding sponges in different grain qualities suitable for deburring and surface grinding of wood, metal and varnish also for wet grinding short term an indispensable tool for every craftsman and do-it-yourselfer who values the precise and effective processing of surfaces a highly flexible abrasive tool that is perfect for hand grinding with a soft foam core for even pressure distribution and high flexibility is therefore particularly suitable for use in hard-to-reach areas uniform surface structure fineness level: coarse, medium, fine number of coated surfaces: 2 number of sponges: 3