The RAM Mounts RAMC111B is a robust rectangular base plate designed for secure mounting solutions. It measures 158.75 mm (6.25 inches) in length and 50.8 mm (2 inches) in width, and features an integrated C size 38.1 mm (1.5-inch) diameter rubber ball. Constructed from marine-grade powder-coated aluminum, this durable component offers multiple pre-drilled hole patterns, ensuring compatibility with a wide array of RAM components and third-party mounting systems. It provides a stable and reliable foundation for various devices in demanding environments.