Up to 2x longer life span for multi-hole blades compared to a standard backing plate - Multi-hole sanding sheets promise greater efficiency, longer accessory life, and a better working environment without dust. However, if you want to take full advantage of this "dust-free" revolution, you need a suitable support plate. The Expert Multihole (Expert Multihole Support Plate) is an essential part of Bosch's Particle Control system. The seemingly random distribution of the holes is the result of extensive research: Mathematically, enough holes are always aligned on the paper to ensure optimal dust extraction. This means that your leaves do not clog and last longer. It is available in hard, medium and soft versions, depending on the type of grinding. The Bosch Expert Multihole (Bosch Expert Multihole) disc for eccentric sander is essential if you want to grind dust-free. You benefit from better air, high quality work and a longer life for sanding sheets. 125 mm supporting disc for eccentric