This comprehensive 150-piece sanding disc set provides a complete abrasive solution with 10 grit options ranging from coarse 60-grit for stock removal to fine 600-grit for finishing work. The discs are constructed from premium aluminum oxide abrasive, applied via electrostatic coating for even distribution and enhanced durability through a reinforced 3-layer backing system. The 8-hole dust extraction design effectively minimizes dust buildup, maintaining a cleaner workspace, while the reliable hook-and-loop backing ensures secure attachment to most 5 in. orbital sanders. Suitable for various materials including wood, metal, and plastic, these discs offer consistent performance for woodworking, metal finishing, and general restoration projects, making them an essential workshop accessory for both professionals and DIY enthusiasts seeking quality results.