CBump, if new boat customers were having to use a pipe wrench on new boats, this page would be flooded with those comments. Our dealers would be pressing us, Attwood would be overwhelmed and we in service would have multiple inquiries.
The parts are Attwood brand and a direct vertical pull will get the parts to remove new. If you try to pull at an angle then they will lock in place as designed. If you are repetitively having trouble removing a pedestal, then we suggest you grasp the post low and twist while lifting your hand.