---
product_id: 340709
title: "RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1\" Ball"
brand: "ram mounts"
price: "HK$148"
currency: HKD
in_stock: true
reviews_count: 8
category: "Ram Mounts"
url: https://www.desertcart.hk/products/340709-ram-mounts-gps-ram-b-238u-diamond-ball-base-b
store_origin: HK
region: Hong Kong
---

# 1" ball with near-infinite adjustability 2-Hole AMPS standard pattern Marine-grade powder-coated aluminum RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1" Ball

**Brand:** ram mounts
**Price:** HK$148
**Availability:** ✅ In Stock

## Summary

> 🛠️ Elevate your gear with precision and durability — mount like a pro, adjust like a boss!

## Quick Answers

- **What is this?** RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1" Ball by ram mounts
- **How much does it cost?** HK$148 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.hk](https://www.desertcart.hk/products/340709-ram-mounts-gps-ram-b-238u-diamond-ball-base-b)

## 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 a powder-coated finish for unmatched durability in rugged, demanding environments.
- • **Lifetime Confidence:** Backed by RAM Mounts’ lifetime warranty, guaranteeing reliability and peace of mind for your investment.
- • **Limitless Positioning:** Innovative ball-and-socket design offers near-infinite adjustability, giving you the perfect viewing angle every time.
- • **Lightweight Yet Strong:** Weighing just 22.68g but supporting up to 2 pounds, it balances portability with robust performance.
- • **Precision AMPS Compatibility:** Industry-standard 2-hole AMPS pattern (1.912") ensures seamless integration with a wide range of RAM holders and cradles.

## Overview

The RAM Mounts GPS RAM-B-238U Diamond Ball Base features a 2-hole AMPS standard diamond plate (2.43" x 1.31") made from powder-coated marine-grade aluminum. Its 1" rubberized ball enables near-infinite adjustability with compatible RAM holders, supporting up to 2 pounds. Lightweight and rugged, this mount is designed for demanding environments and comes with a lifetime warranty, making it a top choice for professionals seeking reliable, versatile GPS mounting solutions.

## Description

desertcart.com: RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1" Ball : Electronics

Review: Offroader = Ram products - This is a well made product. They serve their purpose well. Use them in my UTV and RV
Review: High quality standardized ball-mounts - 1" ball & base pretty much sums it up, but the ball is rubberized so it grips better than just a plastic ball and the base is a standard to fit with the distance between mounting holes. But in this case the base is too big so it gets cut to fit this special application. There's a hole in the bottom-center that will accept a 1/4" bolt to give it extra strength against the torque of rotation and it gets epoxied into place after being tapped for 1/4-20. I got 2 of these and each will go into a hollow hand, the ball fitting into a socket on the forearm to finish the articulation of each arm (the elbow joint is a 2" ball for strength). I could make these, but when they're so easily available and a standard dimension with such quality, it saves a lot of effort. This is the most inexpensive of the RAM parts but worth more to me for the ease of use.

## 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 |
| Additional Features | Hole Pattern: 2-Hole AMPS: 1.912", Plate Size: 2.43" x 1.31" |
| Best Sellers Rank | #5 in GPS Vehicle Mounts #95 in Computer Monitor Accessories |
| Brand | RAM MOUNTS |
| Color | Black |
| Compatible Devices | GPS |
| Compatible Phone Models | Universal |
| Compatible with Vehicle Type | Automobile |
| Customer Reviews | 4.8 out of 5 stars 6,006 Reviews |
| Enclosure Material | Aluminum |
| Global Trade Identification Number | 00793442102387, 07934421023870 |
| Item Dimensions | 2 x 1.5 x 2.5 inches |
| Item Height | 2.5 inches |
| Item Weight | 22.68 g |
| Manufacturer | RAM MOUNTS |
| Model Name | FBA_RAM-B-238U |
| Model Number | RAM-B-238U |
| Mounting Type | Drill-Down |
| Special Feature | Hole Pattern: 2-Hole AMPS: 1.912", Plate Size: 2.43" x 1.31" |
| UPC | 826950875778 012302050508 033111136214 888063686467 793442102387 824365003052 509961552547 |
| Warranty Description | See RAM Mounts manufacturer warranty for details |
| Weight Capacity Maximum | 2 Pounds |

## Product Details

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

## Images

![RAM Mounts GPS RAM-B-238U Diamond Ball Base with B Size 1" Ball - Image 1](https://m.media-amazon.com/images/I/41y-ZHE4ROL.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

### ⭐⭐⭐⭐⭐ Offroader = Ram products
*by R***N on October 20, 2025*

This is a well made product. They serve their purpose well. Use them in my UTV and RV

### ⭐⭐⭐⭐⭐ High quality standardized ball-mounts
*by G***N on April 12, 2025*

1" ball & base pretty much sums it up, but the ball is rubberized so it grips better than just a plastic ball and the base is a standard to fit with the distance between mounting holes. But in this case the base is too big so it gets cut to fit this special application. There's a hole in the bottom-center that will accept a 1/4" bolt to give it extra strength against the torque of rotation and it gets epoxied into place after being tapped for 1/4-20. I got 2 of these and each will go into a hollow hand, the ball fitting into a socket on the forearm to finish the articulation of each arm (the elbow joint is a 2" ball for strength). I could make these, but when they're so easily available and a standard dimension with such quality, it saves a lot of effort. This is the most inexpensive of the RAM parts but worth more to me for the ease of use.

### ⭐⭐⭐⭐⭐ Typical RAM Mount quality
*by S***T on November 6, 2025*

Using 2 on a dash bracket and they get the job done. Like most (though not *all*) RAM Mount products, it’s well-built and maybe even borderline overbuilt.

## 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 Hong Kong*
*Store origin: HK*
*Last updated: 2026-01-27*