Screw-on hawsepipe with aluminum ring . Hawsepipes are essential equipment on a boat, especially a dinghy or sport catamaran. They allow the control lines to pass smoothly through the deck or other components, without friction . Screw-on hawsepipes are easy to install thanks to their pre-drilled fins.
| Passage Diameter Selection | Drilling Diameter | Height under collar |
| ø06mm | ø19mm | 8mm |
| ø13mm | ø25mm | 8mm |