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RAM Mounts

RAM Diamond Base with C Series Ball

RAM Diamond Base with C Series Ball


Regular price $33.31 NZD
Regular price Sale price $33.31 NZD
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RAM-238U RAM® Diamond Ball Base - C Size


* Diamond plate features industry-standard AMPS hole pattern and measures 2.43" x 1.31"
* Compatible with several RAM® device holders and cradles; ball and socket technology allows for near-infinite adjustability
* Incorporates a C size 1.5" Ball to connect to a variety of RAM C series arms
* Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
* Backed by a lifetime warranty

The RAM-238U consists of a 38mm (1.5") diameter rubber ball connected at right angles to a 61 x 33mm (2.43 x 1.31") diamond base. The base has two holes 48.5mm (1.912") from centre to centre and matches the industry standard AMPS hole pattern. It is designed to connect to a large variety of RAM Mount and third party cradles.

Specs & Features

Hole Pattern
2-Hole AMPs
1.912” (48.5mm)

Powder Coated Marine Grade Aluminium

Ball Size:
1.5" Rubber Ball Size

68 grams (0.15 lbs.)

Weight Capacity
Standard Use:
1.814kg (4 lbs)
Heavy-Duty Use:
1.36kg (3 lbs)



Q: Does this SKU include the hardware needed to bolt it to a flat surface?

A: No, the hardware required to install this mount is not included. Because these are mounted to such a wide variety of materials and applications we do not know what hardware to provide. The best resource for that type of information is usually a local hardware store or the manufacturer of the vehicle you are mounting to.

Q: What size screws are needed for the holes on this ball plate?

A: The most common screw sizes are #8, #10, M4 and M5 screws. However, if you are pairing this with any RAM® Holder, the holder will come with the necessary hardware to connect to your mount.