3M All-Purpose Medium Coarse Sanding Sponge is a versatile tool designed to deliver smooth sanding results on contoured and hard-to-reach surfaces. This sanding sponge a large size, providing ample surface area for efficient sanding tasks. It features aluminum oxide abrasive on all four sides, ensuring consistent and reliable sanding performance every time you use it. Whether you are working on wood, metal, or painted surfaces, this sanding sponge helps you achieve a professional finish with ease. Model Number: 909-ESF