GROCO Backing Block f/2" 2-1/2" Seacocks Lighting Battery-friendly

Battery-friendly

0 SWR ratio from 159-162 MHz

and a 1-5/8" inside diameter with a flared opening to make it easy to insert a rod in the holder

Material: 29-40% Carbon

GROCO Backing Block f/2" 2-1/2" Seacocks Lighting Battery-friendlyBacking 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: