The SA 522403 2 In 40G PK50 from Field Tool Supply includes 50 sanding discs, each measuring 2 inches in diameter with a 40-grit abrasive surface. These discs are designed for aggressive material removal, making them ideal for initial sanding and surface preparation. The 40-grit rating allows for effective sanding on rough surfaces, suitable for woodworking and metalworking applications. Constructed from high-quality materials, these discs ensure durability and consistent performance. Compatible with standard sanding tools, they provide a reliable solution for achieving a smooth finish.