GROCO Backing Block f/2" 2-1/2" Seacocks - BB-3
Groco
$73.96
$104.00
(You save
$30.04
)
Backing Block for 2" 2-1/2" Seacocks
Features:
- Each size fits multiple seacock sizes
- Press threaded brass inserts into the hull side of the backing block into the holes that match the seacock flange
- Rigid 1/2" thickness provides secure installation but is flexible enough to conform to minor hull curvature
- Will not swell or absorb moisture
- Made from an environmentally friendly PVC foam specially formulated for marine applications