Groco Sea Cock Backing Block Size:2''2.5'' Easy installation

Easy installation

Brass hose fittings are durable and rust resistant

3-Way Lighted Rocker Panel Switch

Comfortable fit through the seat and thigh with more room to move and a straight leg opening

Groco Sea Cock Backing Block Size:2''2.5'' Easy installationBacking 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