BACKING BLOCK 1250/1500

We strive to provide new innovative products to meet the need of the rapidly changing world we live in. Our goal is to provide products made with the finest material and consistent and high quality processes.. Features Backing Block for 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 marine applications; Specifications Size: 1.25 & 1.5 in.; Weight: 0.25 lbs;.