---
product_id: 340709
title: "RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1\" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U"
brand: "ram mounts"
price: "€ 21.16"
currency: EUR
in_stock: true
reviews_count: 13
category: "Ram Mounts"
url: https://www.desertcart.es/products/340709-ram-mounts-diamond-ball-base-with-2-hole-amps-pattern
store_origin: ES
region: Spain
---

# 2-Hole AMPS pattern 1.912" spacing 1" Ball for infinite adjustability Marine-grade powder-coated aluminum RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U

**Brand:** ram mounts
**Price:** € 21.16
**Availability:** ✅ In Stock

## Summary

> 🧭 Mount your GPS like a pro—durable, precise, and endlessly adjustable!

## Quick Answers

- **What is this?** RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U by ram mounts
- **How much does it cost?** € 21.16 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.es](https://www.desertcart.es/products/340709-ram-mounts-diamond-ball-base-with-2-hole-amps-pattern)

## Best For

- ram mounts enthusiasts

## Why This Product

- Trusted ram mounts brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Endure:** Crafted from marine-grade aluminum with powder coating for unmatched durability in harsh environments.
- • **Lifetime Confidence:** Backed by RAM Mounts’ lifetime warranty, guaranteeing reliability you can trust on every journey.
- • **Limitless Positioning:** Ball and socket design offers near-infinite adjustability for the perfect viewing angle every time.
- • **Effortless Installation:** Drill-down mounting type makes setup quick and secure—get your GPS ready in minutes.
- • **Precision AMPS Compatibility:** Industry-standard 2-hole AMPS pattern ensures seamless integration with a wide range of RAM holders.

## Overview

The RAM Mounts GPS RAM-B-238U Diamond Ball Base features a 2-hole AMPS diamond plate (2.43" x 1.31") with a 1" ball for versatile mounting. Made from powder-coated marine-grade aluminum, it offers superior durability and corrosion resistance. Compatible with multiple RAM holders, it supports up to 2 lbs and installs via drill-down mounting. Trusted by thousands with a 4.8-star rating and backed by a lifetime warranty, it’s the ultimate choice for professionals demanding reliability and flexibility.

## Description

Product description RAM Diamond Ball Base B-SIze 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. Technical Specifications

Review: Great Product - Great product, well built. Nice fitment easy to install
Review: Great mount. Ram makes great stuff - Pretty cool mount. The ball has a type of rubber coating over aluminum. I use Ram mounts on my motorcycles and boat. Never had an issue with them and some are almost 10 years old

## Features

- 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
- Made of powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
- Backed by a lifetime warranty

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B002KO5XVU |
| Best Sellers Rank | #4 in GPS Vehicle Mounts #72 in Computer Monitor Accessories |
| Brand | RAM MOUNTS |
| Brand Name | RAM MOUNTS |
| Color | Black |
| Customer Reviews | 4.8 out of 5 stars 5,324 Reviews |
| Finish Type | Powder Coated |
| Finish Types | Powder Coated |
| Global Trade Identification Number | 00793442102387, 07934421023870 |
| Item Depth | 2.5 inches |
| Item Dimensions | 2 x 1.5 x 2.5 inches |
| Item Weight | 22.68 g |
| Item dimensions L x W x H | 2 x 1.5 x 2.5 inches |
| Manufacturer | RAM MOUNTS |
| Manufacturer Part Number | FBA_RAM-B-238U |
| Manufacturer Warranty Description | See RAM Mounts manufacturer warranty for details |
| Material | Aluminum |
| Material Type | Aluminum |
| Model Number | RAM-B-238U |
| Mounting Type | Drill-Down |
| UPC | 826950875778 012302050508 033111136214 888063686467 793442102387 824365003052 509961552547 |

## Product Details

- **Brand:** RAM MOUNTS
- **Color:** Black
- **Compatible Devices:** GPS
- **Compatible Phone Models:** Universal
- **Mounting Type:** Drill-Down

## Images

![RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U - Image 1](https://m.media-amazon.com/images/I/41y-ZHE4ROL.jpg)
![RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U - Image 2](https://m.media-amazon.com/images/I/61UfT1yAgtL.jpg)
![RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U - Image 3](https://m.media-amazon.com/images/I/5164KX3d8aL.jpg)
![RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U - Image 4](https://m.media-amazon.com/images/I/51AqWpV6XHL.jpg)
![RAM MOUNTS Diamond Ball Base with 2-Hole AMPS Pattern, B Size 1" Ball Mount for RAM Device Holders and Mounting Systems RAM-B-238U - Image 5](https://m.media-amazon.com/images/I/41cX15AVAgL.jpg)

## Available Options

This product comes in different **Style** options.

## Questions & Answers

**Q: Is this the part that bolts to the GPS/iPhone cradle connecting it to the arm?  Just trying to make sure I get all the right pieces.  Thanks**
A: Yes . It's a universal piece for all the cradles. You will also need whatever piece needed to mount on your vehicle; for other end of socket arm,,same ball diameter. Mine works great on Goldwing GL 1800.

**Q: How much pivot/angle can you get with this? Trying to mount a gps at close to a 90 degree angle from a snowmobile dash**
A: If you have no obstacles 90 degrees should be no problem

**Q: Will this work with a permobil power wheelchair with track mounting system?**
A: if you have a space that is 2inch by 1inch then you can mount it on with two phillps head screws and you are good to go

**Q: Which size ram bolts need to connect with ram diamond ball base > ram-hol-ga31u ?**
A: I think they were #8

## Customer Reviews

### ⭐⭐⭐⭐⭐ Great Product
*by R***. on May 8, 2026*

Great product, well built. Nice fitment easy to install

### ⭐⭐⭐⭐⭐ Great mount. Ram makes great stuff
*by J***S on January 23, 2026*

Pretty cool mount. The ball has a type of rubber coating over aluminum. I use Ram mounts on my motorcycles and boat. Never had an issue with them and some are almost 10 years old

### ⭐⭐⭐⭐⭐ Reliable, Versatile Mounting Base That Expands Your RAM Setup
*by D***. on January 27, 2026*

I added this RAM Diamond Ball Base to my existing RAM mounting system to create a more flexible mounting point for electronics and accessories, and it’s performed exactly as I hoped. This base features a 1″ diameter “B-size” rubber ball mounted on a diamond-pattern plate that’s roughly 2.43″ × 1.31″, with two holes spaced on the industry-standard AMPS pattern (1.912″ apart) — so it mates easily with a wide range of RAM cradles, arms, and adapters. Once installed, this base provides a stable yet highly adjustable pivot point. The rubber ball technology lets you configure the angle of whatever you’re mounting — whether it’s a GPS, camera, or small display — while still locking securely in place once tightened. It’s a simple part, but it’s surprisingly versatile in how many setups it can support. The build quality feels solid and durable. The aluminum base plate has good rigidity, and the rubber ball holds up well under normal use without noticeable wear or deformation. The pre-drilled holes lined up perfectly with other RAM components I already had, so assembly was quick and predictable. Because it’s compatible with standard RAM mounting hardware and third-party accessories, this ball base expands what your system can do without requiring extra adapters or modifications. It’s especially useful if you’re building a custom solution for mounting devices in vehicles, boats, or even workshop spaces. Overall, this is a solid, dependable mounting base that adds flexibility and strength to any RAM setup. Whether you’re upgrading an existing system or building a new one, it’s a great foundational component.

## Frequently Bought Together

- RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1" Ball
- RAM Mounts RAP-B-201U-A Composite Double Socket Arm - Short Arm Compatible with B Size 1" Ball Components
- RAM Mounts RAM-B-201U Double Socket Arm (Medium) Compatible with RAM B Size 1" Ball Components

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*Product available on Desertcart Spain*
*Store origin: ES*
*Last updated: 2026-05-24*