GROCO Backing Block f/3/4" 1" Seacocks [BB-1] Electrical | Circuit Breakers 53 cm) Mounting Hole

53 cm) Mounting Hole

Weather Band

Trim Tab blades are 12 Gauge - 304 SS with a 5/8" flared trailing edge and 1/8" diameter hinge pin

With a spacious layout

GROCO Backing Block f/3/4" 1" Seacocks [BB-1] Electrical | Circuit Breakers 53 cm) Mounting HoleBacking 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 Specifications: