The RAM® 90-Degree Swing Arm Flange Base for Tough-Bar™ (RAM-TB-471U) allows you to adapt an existing RAM® laptop swing arm mount for use with the RAM® Tough-Bar™. Designed specifically for Tough-Bar™ integration, this base provides a secure, 90-degree flange connection point for your existing RAM® swing arm. Installation is quick and straightforward—simply slide the swing arm onto the base hardware and tighten the knob for a solid hold. Constructed from powder-coated marine-grade aluminum, this component delivers the strength and stability needed to support heavy, ruggedized laptops while minimizing vibration during use. Perfect for upgrading existing RAM® laptop mounting systems to the Tough-Bar™ platform.