Set of 4 Sanding Sponges/Blocks for Wet and Dry Surfaces, Coarse (Grade 80 to 100) Sanding

General Description Sanding sponges are made from high quality brown corundum, using high density sponges as the base material. This set includes 4 coarse sanding sponges (grade 80 to 100), ideal for meeting your sanding needs. They are useful and portable, being able to be used both wet and dry. Technical Specifications Material: High quality brown corundum Dimensions of each block: 3.9 x 2.7 x 1 inch / 98 x 68 x 25 mm Number of pieces: 4 sponges Grade: 80 to 100 Usage These sponges can be used on various materials such as wood, paint, metal, plastic or drywall. They are suitable for all kinds of small jobs and can sand any curved or irregular geometric surface, providing a good tool for polishing or cleaning.Other Information The sand blocks are washable and reusable, convenient to clean, durable and easy to grip, not easy to tear.