RAM® Pedestal Double Ball Mount with 18" Pipe and Round Plate RAM-101-B-2461 Their incredible holding power is

Their incredible holding power is surprising when considering how most suction cups function

including adhesive disks

5" rectangular base that has pre-drilled holes at each corner of the base plate

A must for any angler with a bow mount trolling motor

The small post on the base is designed to connect to the RAM-109 series arms

RAM® Pedestal Double Ball Mount with 18" Pipe and Round Plate RAM-101-B-2461 Their incredible holding power isThis kit comes with a 5x5 inch drill down base with ratchet adapter, an 18 inch NPT metal pipe with a 6 inch double socket arm attached to it and finally a 2. 5 inch diameter mounting plate with 1. 5 inch rubber ball.