DFS Backing Pad soft - compatible with Festool RO150 - for sanding discs Ø 6" 150mm - Backup Pad with 15 holes for dust extraction - soft medium or hard available :
1 Pcs 6 Inch 202463 Hard Sanding Pad Compatible with Festool RO 150 Hard Sanding Pad : Amazon.co.uk: DIY & Tools