... 3.Anti-clogged 4.Waterproof, can be washed and reused Fiberglass Sanding Screen is not only suitable for sanding plaster and ... , but also for sanding rusty spots of metal materials and making grinding and polishing treatment. The efficiency and durability is far ... ",15",16",17",18",19",20",21",22",23",24", Fiberglass Sanding Screen