GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3] Marine Navigation & Instruments | Sounder/Sonar Modules over-the-air digital HDTV solutions that

over-the-air digital HDTV solutions that bring sleek lines and 360 degrees

consistent grilling

Transmission Oil Pressure

Dual action control allows water level to be varied

GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3] Marine Navigation & Instruments | Sounder/Sonar Modules over-the-air digital HDTV solutions thatBacking 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 Specifications: