The RAM-B-202U consists of a 1" B size rubber ball connected to a 2.5" diameter round plate. This mounting component includes pre-drilled holes using the universal AMPS hole pattern.
• 2.5" round plate connects to RAM® device holders containing the universal AMPS hole pattern
• Included B size 1" RAM® rubber ball allows for connection to any B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
• Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
• Backed by a lifetime warranty
4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter