GROCO Backing Block f/3/4″ 1″ Seacocks [BB-1]
Original price was: $67.99.$20.40Current price is: $20.40.
Backing Block for 3/4″ & 1″ 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

Reviews
There are no reviews yet.