Description:
| circle magnets outer 17mm, inner dia 8mm and thickness 3mm |
| circle magnets outer 25mm, inner dia 13mm and thickness 3mm |
| circle magnets outer 32mm, inner dia 18mm and thickness 6mm |
| circle magnets outer 45mm, inner dia 19mm and thickness 10mm |
| circle magnets outer 70mm, inner dia 32mm and thickness 15mm |
| circle magnets outer 80mm, inner dia 40mm and thickness 12mm |
| circle magnets outer 100mm, inner dia 45mm and thickness 15mm |
