Same problem as the smaller head, but you need more card to read comfortably from your helm position. The Plastimo 120mm head gives you that extra real estate without sacrificing stability. Built for power boats up to 30 ft, it's vibration-resistant and holds steady through rapid changes of motion. Made in France, 12V backlight, and a 5-year warranty. If your eyes are tired of squinting at a small card at speed, this is the one
| brand | Plastimo (via Jaycar) |
| compass_head_diameter | 120mm |
| boat_size | power boats up to 30 ft |
| vibration_resistant | 1 |
| backlight | 12V |
| origin | France |
| warranty | 5 years |