The PFERD 2-Sided Sanding Sponge is a durable and versatile hand sanding solution designed for aggressive surface preparation across a wide range of materials. Measuring 4" x 4-3/4" and featuring fine 180 grit aluminum oxide abrasive on both sides, this sanding sponge provides reliable cutting performance and extended usability. Ideal for manual applications, it is well-suited for woodworking, paint preparation, drywall construction, and metalworking tasks. The coarse grit makes it effective for chamfering, cleaning, deburring, derusting, grinding out imperfections, paint stripping, removing oxide layers, roughening surfaces, and surface grinding. The flexible sponge structure conforms easily to flat and irregular surfaces, allowing consistent contact on edges, corners, and contours. Built with strong grain adhesion and durable construction, it maintains performance through demanding sanding jobs. Compatible exclusively for manual application, this sanding sponge is suitable for use on materials including steel, stainless steel (INOX), aluminum, cast iron, brass, copper, hardwood, softwood, thermoplastics, tiles, concrete, reinforced concrete, titanium alloys, and more. For dependable, aggressive hand sanding performance, choose PFERD TOOLS.