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.

The RAM-B-238U ball base consists of a 1" B size rubber ball connected to a 2.43" x 1.31" diamond plate. The diamond plate features two holes that measure 1.912" from center to center, matching the industry-standard AMPS hole pattern. This diamond ball base is compatible with a wide variety of RAM® device holders and cradles.

The RAM-B-347U base consists of a B size 1" diameter rubber ball connected to a 2" x 1.7" square base. The base has four pre-drilled holes at each corner, using the universal AMPS hole pattern.

Features:

• Compatible with several RAM® device holders and cradles; 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

Hole Pattern:

• Diamond: 2-Hole AMPS: 1.912"
• Round/Square: 4-Hole AMPS: 1.181" x 1.496"
• Round: 3-Hole 120-Degree: 1.812" Diameter

Plate Size:

• 2.5" Diameter

Ball/Socket Size:

• B Size (1")

Weight Capacity:

• Standard Use: 2 lbs
• Heavy-Duty Use: 1 lb

Materials:

• Marine-grade aluminum

For list of compatible devices, please visit the RAM Mounts website.