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This flat collar-type sacrificial anode, manufactured from aluminum and zinc alloys, is specifically designed to protect the propeller shaft. Its shape fits 25 mm shafts, ensuring effective protection against galvanic corrosion in submerged metal parts. Ideal for maintaining the integrity of the propulsion system and extending equipment life.

| Code | Material | kg | lbs | Ø1 | h | Ø | |
| 00552AL | Aluminium | 0.09 | 0.2 | mm inch | 25 0.98 | 25 0.98 | 55 2.17 |
| 00552 | Zinc | 0.22 | 0.49 | mm inch | 25 0.98 | 25 0.98 | 55 2.17 |