One of the most popular types of Power knobs, Edson Marine is paving the way with this one of a kind Edson Marine Powerknob. The most important feature of the power knob is the material used, allowing easy of use and a firm grip. Its slim design makes it a recommended steering wheel knob, made in black polymer and stainless steel marine-grade. It’s important when choosing a power knob for your boat’s steering wheel to choose a product that will be easy to install as well as reliable when you’re maneuvering in the open sea. Power knobs in general make it easy to navigate with one hand, a truly first class product.