RAM Mounts RAM-B-202U Round Plate with 1″ B-Size Ball

The RAM-B-202U Round Plate Base pairs a rugged 2.5″ diameter plate with a 1″ B-size RAM rubber ball and universal AMPS hole pattern, creating a versatile foundation for building custom mounting systems using RAM arms and accessories. Designed from marine-grade aluminium for durability and backed by RAM’s lifetime warranty, it’s ideal for dashboards, consoles and flat surfaces on vehicles, boats, buggies and work rigs.

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Secure AMPS Plate with RAM Ball

This round plate comes pre-drilled with the universal AMPS hole pattern and includes a 1″ B-size rubber ball, allowing seamless connection to any compatible RAM double socket arm or accessory (sold separately). The modular design offers near-infinite adjustment, so you can position phones, GPS units and other devices exactly where you need them.

Why Choose the RAM-B-202U Plate Base?

• 2.5″ diameter round plate with universal AMPS hole pattern
• Integrated 1″ B-size RAM rubber ball for easy adjustability
• Marine-grade aluminium construction for long-lasting performance
• Works with RAM arms and accessories for customised mounts
• Backed by RAM’s lifetime warranty

Specifications

• Model: RAM-B-202U
• Plate Diameter: 2.5″ (63.5 mm)
• Ball Size: B-Size (1″ / 25 mm)
• AMPS Hole Pattern: universal 4-Hole + 3-Hole pattern
• Material: Marine-grade aluminium
• Weight Capacity: up to ~2 lbs (standard use)
• Warranty: Lifetime (RAM Mounts)
• Finish: Black

What’s Included

• 1 × RAM-B-202U Round Plate with 1″ B-Size Ball

Use Cases

Ideal for mounting:

• Phones & tablets
• GPS units and navigators
• Action cameras
• Small accessories and displays
• Dash consoles and flat panels

Looking to build a complete vehicle mounting system? Explore our RAM Mounts vehicle mounting systems →