GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Boat Outfitting | Steering Systems Pitot tube type speedometers operate

Pitot tube type speedometers operate by pressure from the water being forced into the pitot tube

Height: 3"

Diameter (Inches): 14-1/2"

4-Step Telescoping Swim Ladder

This remote panel displays DC input voltage from the battery

GROCO Backing Block f/1-1/4" 1-1/2" Seacocks [BB-2] Boat Outfitting | Steering Systems Pitot tube type speedometers operateBacking Block for 1 1 4" & 1 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: