The CA-PSA-ALX-CL 3 IN 120G PK100 from Field Tool Supply is a pack of 100 adhesive-backed aluminum oxide sanding discs, measuring 3 inches in diameter. Designed for efficient sanding and finishing, these discs feature a 120-grit surface that provides a fine finish while ensuring material removal. Ideal for woodworking, metalworking, and automotive applications, these sanding discs are compatible with various sanders. The durable construction ensures long-lasting performance, making them a valuable addition to any workshop or toolkit.