The 125mm Sanding Discs by BB are a set of 100 orbital sander discs that come with a hook and loop design for easy attachment. The sanding pads come in various grit sizes, including 80, 180,240,320, and 400 grit, making them suitable for a range of sanding tasks. The discs are designed for use with orbital sanders and feature a ventilated stick-on circular pad sheet for added convenience. Perfect for both personal and professional use, these high-quality sanding discs are a versatile addition to any workshop or tool collection.