Whether you need to work in hard-to-reach places or perform small correction tasks, GRANAT premium abrasive enables you to work quickly and efficiently, even when sanding by hand. This is because it is just as strong and durable as the GRANAT machine abrasives that you are used to. Especially adaptable and versatile manual abrasive for precise results. The sanding block is rigid and can be used on four sides. It is best suited to sanding edges and profiles.