The Scotty 1.5" Ball Mount System with Universal Mounting Plate offers a robust and versatile platform for securing large fishfinders and accessories. Its oversized ball design delivers enhanced clamping strength while allowing smooth, full-range motion. Equipped with a turn-knob lock, it ensures stable positioning during use. Constructed from corrosion-resistant materials, this mount is suitable for both freshwater and saltwater environments. The universal 4-hole mounting plate provides compatibility with a wide range of devices, making it an expert choice for reliable and durable marine mounting solutions.