These rubber covers for neodymium pot magnets, allow mapulate and work with the neodymium magnets without damaging any surface. Its use is recommended in articles, painted or varnished, or in applications where a large force of attraction is needed without damaging surfaces.
| Code | A (mm) | B (mm) |
| IMA GB-25 | 27 | 4 |
| IMA GB-32 | 34 | 4 |
| IMA GB-40 | 42 | 4.5 |
| IMA GB-50 | 52 | 6 |
| IMA GB-57 | 59 | 6 |
| IMA GB-63 | 65 | 8 |
| IMA GB-80 | 83 | 11 |
