Groco Backing Blocks for Flanged Seacocks Insert Threads:5/6"-18 5" (89 mm)

5" (89 mm)

303 Multi-Surface delivers robust cleaning agents designed to counteract the damaging conditions of sea and sand

provide an easy way to maintain prime in a suction or discharge line

Swivel Shackle Head - RF30100

2-3 coats depending on absorbency of the teak

Groco Backing Blocks for Flanged Seacocks Insert Threads:5/6"-18 5" (89 mm)*** use Option (1) to select Seacock Size *** Groco Backing Blocks for Flanged Seacocks 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