| Type | Application | Size Dia X Length (mm) | Article Number |
| PRO-GAL Z70520 | Low resistive areas, corrosive soil, steel in foundation | Ø70 X 520 | 300 860 |
| PRO-GAL M70520 | Very low resistive areas, high corrosive soil, buried steel such as steel pipes | Ø70 X 520 | 300 870 |
