Mirka Gold Hook-It DA Sanding Discs Diameter 150mm 6" 320 Grit 6 + 1 Hole Sanding Pads Suitable for high speed sanding and are classified as a very durable product. : Amazon.de:
Mirka sanding pad Velcro 125 mm perforation 5-19-Abranet - Specialist trade for abrasives and grinding machines
5” Multi‐Hole Grip‐Faced 130 gram Backing Pad for 6" Mirka Sanders - Black Forest Wood Co.