Specifications: Diameter: 150 mm Granulation: 100 Package quantity: 5 pcs. EXPERT EXC470 D150 G100 5PC ABRASIVE DISCS. Up to 2x faster than standard sandpaper Maximum removal performance with Bosch Surface Structure. Simple fastening with Velcro fastening. Ideal for highly efficient, fast sanding of surfaces, for removing old paint or for smoothing, preparing and editing surfaces. Expert abrasives – the best for all industries. **