The SA 522404 2 In 50G PK50 from Field Tool Supply is a set of 50 sanding discs, each with a 2-inch diameter and a 50-grit abrasive surface. These discs are designed for effective material removal and surface preparation, making them suitable for a variety of applications, including woodworking and metalworking. The 50-grit rating allows for moderate sanding, ideal for smoothing rough surfaces. Constructed from durable materials, these discs ensure long-lasting performance and are compatible with standard sanding tools, providing a reliable solution for your sanding needs.