RAM Mounts Diamond Ball Base RAM-B-238U Black 50g

The RAM Mounts Diamond Ball Base RAM-B-238U features a B-size 1" diameter rubber ball bonded to a 2.43" x 1.31" diamond plate finished in black. The plate includes two mounting holes spaced 1.912" center-to-center and follows the AMPS hole pattern, providing compatibility with a wide range of RAM mounts and many third-party cradles. Lightweight at approximately 50 g, this base is intended to serve as a flexible connection point within modular RAM mounting systems.

Advantages

The diamond plate design delivers a compact, stable platform while the B-size 1" rubber ball allows smooth articulation with RAM double-socket arms. Conformance to the AMPS hole pattern ensures broad accessory compatibility. The black finish resists visual wear and the lightweight construction simplifies installation and reduces added mass to the mounted device.

Suitable for

• Attaching RAM arms and cradles using the AMPS hole pattern
• Mounting small devices where a compact, articulated joint is needed
• Integrating into vehicle, marine, or equipment mounting assemblies

Key specifications

• B-size rubber ball diameter: 1" (B-size)
• Plate dimensions: 2.43" x 1.31"
• Hole spacing: 1.912" center-to-center (AMPS pattern)
• Finish: black
• Weight: approximately 50 g
• Manufacturer part number (MPN): RAM-B-238U

How to use

Mount the diamond plate to a compatible surface or accessory using the two AMPS-pattern holes and suitable fasteners. Insert the 1" rubber ball into a matching RAM double-socket arm or cradle receptacle, then tighten the arm’s junction bolt to achieve the desired friction for articulation. Verify that all fasteners are secure before placing a device in the mount.

Usage recommendations

Use corrosion-resistant fasteners appropriate for the installation environment (stainless steel for marine use). Periodically check the tightness of the junction bolt and mounting hardware, and avoid over-tightening which can restrict articulation or damage components.