Speed Controller Box for trolling motors

A rail mountable speed controller I designed for my fishing kayak. Designed to fit this common speed controller from Amazon: DC Motor Speed Controller, PWM 12V-60V 40A Brush Motor Speed Controller with CW CCW Reversible Switch Forward Reverse for DC Brush Motor - Electric Motor Speed Regulator, Controls - Amazon Canada The bottom port fits 1 ¼" hose that I am using to protect the wiring.