Designed with standard port to fit most pneumatic sander, these discs allow easy installation for enthusiasts and professional, ensuring quick setup and easy operational The blue 6inch sponge sanding discs feature high efficiency abrasives for fast grinding and polishing, achieving removal rate with even grit distribution Ideal for woodworking and carving projects Reducing replacement frequency and cost for frequent users in professional applications Weighing only 20 grams, these comfortable sanding discs reduce fatigue during extended use, particularly beneficial for auto repair technicians and furniture makers working long hours erfect for sanding and polishing various surfaces including wood, metal, and, making suitable for both home renovation projects and industrial manufacturing applications, Manufacturer: Oxxggkao