The GEM forged thru-hulls are made through a single piece forging process with extra-long threads allowing it to pass through the thickest transom and marine hose barbs.
- 316 stainless mounting nut included
- Standard Thread has a full-length thread for thick hulls and easy tightening
- Original equipment fittings used on many offshore saltwater fishing boats
- Its surface is mirror polished
- Forged from semi-conductor tubing
- Easy, one-man installation
- Endless plumbing possibilities