Optimize your fishing experience with the Berkley Fish Finder Holder. Available in two sizes, this handy holder is made of fiberglass-reinforced material, ensuring durability and reliability. With an impressive 360° rotation, this holder offers maximum flexibility for positioning your fishfinder. The 304-class stainless steel fasteners not only add strength, but also ensure that the holder can withstand the conditions of the fishing environment. This holder fits perfectly on a Berkley Mount Base With Lock and is compatible with fishfinders from most popular brands.