ALL ORDERS USA SHIPPING ONLY
Pre-made Backing Block for 1.25"" to 1.5" Seacocks
Super handy and easy to install. Will not rot like wood and provides adequate support for through bolted seacocks.
- Fits 1.25" & 1.5" Groco Seacocks or Flanged Adapters
- Threaded inserts into the hull side of the backing block for holes that match the seacock flange
- Rigid 1/2" thickness provides secure installation
- Will not swell, rot or absorb moisture