Specifically designed to work with Perception fishing kayaks featuring the "Fish Finder Console with Transducer Scupper" feature. Mounting holes line up perfectly with molded inserts for quick and easy installation. High-density polyethylene material can be drilled to accommodate hole patterns of most transducer brackets. Recessed on one side to accommodate backing hardware. Includes stainless steel mounting hardware and instructions (mounting hardware for transducers not included).