Dimensions: 140 mm x 115 mm x 5 mm, 5 pieces each of the medium, fine, super fine, ultra-fine, micro-fine grain. Areas of application: sanding contours, hand sanding, grinding, abrasion, factory primers, DIY and craft projects, wet or dry sanding. Surface treatment: suitable for wood, hardwood, glass, plastic, paint, metal, rust, spatula, rough surfaces, panels and numerous other building materials. For polishing or cleaning. Advantages: Flexible sanding pad perfect for sanding edges and hard-to-reach areas, soft sanding sponge reduces the risk of sanding in edge/edge areas, helps remove defects. Wide Usage Can be used on wood, paint, metal, plastic or drywall. Suitable for all kinds of small work, can grind any irregular geometric curved surface, portable and handy.