Brocraft Trolling Motor Transom Motor Mount For Kayak / Kayak Trolling Motor Mount/Trolling Motor Mount ,Constructed of marine aluminum with black Nylon plastic .Transom trolling motor bracket for clamp-on electric trolling motors .Designed for any boat with a flat spot on the stern big enough for a power pole. Rectangular mounting hole pattern is 3.75” x 4.75” . Universal fit for any boat with a flat spot on the stern big enough for a power pole. Recommended for trolling motors with up to 3 Horsepower and/or 70 pounds of thrust