Vuorio C100 Black diamond sanding sponge is a powerful and durable tool for surface finishing, repair, and shaping. Its grit is ideal for medium-fine sanding, delivering a smooth, clean, and controlled result without deep scratches. The C100 sanding sponge is widely suitable for hard materials such as porcelain tile, granite, marble, and concrete. An ergonomic shape and flexible construction make work effortless even in tight corners and along edges. The diamond-abrasive surface ensures fast, even material removal, and its long service life makes it a cost-effective choice for professionals. C100 is the perfect choice for finishing tile edges and removing minor irregularities.