GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Brand_Siren Marine The SPL2000 allows the boat's

The SPL2000 allows the boat's VHF antenna to be used for both an AIS and VHF simultaneously

Remote Control: RC-300 Optional

AC Features

Length (Inches): 6

Includes one (1)  AAA battery

GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Brand_Siren Marine The SPL2000 allows the boat'sBacking Block for 1 1 4" & 1 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: