| Model No. | Disc dia.
(mm) | Part No. |
| Use with Backing pad (Rubber Pad – 743009-6 & Sanding Lock Nut – 224502-4) |
| GA4040C, GA024G, GA026G, GA030G, GA032G, DGA418 | 100 | 794172-8 |
| Use with Backing pad (Rubber Pad & Sanding Lock Nut) |
| 9218PB, 9218PBL, 9207SPB, 9227C, 9237CB | 100 | 794176-0 |