GROCO Backing Block f/2" 2-1/2" Seacocks [BB-3]Backing 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:

Standard Random Orbit

187 - Series Thermal Circuit Breakers - Panel Mount

Box Dimensions: 3"H x 7"W x 32"L WT: 11

UPC: 814154018596

For use in calm to moderate seas

A glass-bonded finish lens prevents fogging and increases contrast

Box Dimensions: 3"H x 4"W x 45"L WT: 1

68" diameter round base and one 2" x 5" rectangular plate

Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm

Replacement Blade specifically for Ultimate 747/757

Dual Distribution Stud Module - 2 x 3/8"

Box Dimensions: 3"H x 7"W x 10"L WT: 0