RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)

Name: RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)
Brand: RAM Mounting Systems T/A National Products Inc
SKU: RAM-B-138-PD4U
Price: 111.00 AUD
Availability: InStock

SKU:RAM-B-138-PD4U

$111.00 AUD

Sale Sold out

Taxes included. Shipping calculated at checkout.

OPTIONS:

<div class="lv-option-dropdown-options-tpl" style="display:none;">
    <div
      class="lv-option-dropdown-options"

style="--border-width:1px;--border-color:#BABFC3;--bg-color:#FFFFFF;--text-color:#202223;--border-radius:2px;--badge-bg-color:#E83300;--badge-text-color:#fff;--badge-font-size:8px;--badge-font-weight:600;--badge-padding-y:4px;--badge-padding-x:6px;--badge-border-radius:2px;--badge-opacity:100;--dropdown-padding-y:14px;--dropdown-padding-x:14px;--bg-color-normal:#FFFFFF;--text-color-normal:#202223;--bg-color-active:#EEE;--text-color-active:#202020;--price-position:row;--price-space:6px;--text-align:center;--price-font-size:12px;--price-color:#202020;--price-font-weight:200;--swatch-size:24px;--swatch-border-radius:100px;--space-after-swatch:6px;"
    ><ul class="lv-option-dropdown-option-set">

<li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="6544394190966"
              data-handle="ram-b-149z-pd4u-ram-quick-grip-xl-phone-mount-with-handlebar-u-bolt-base"
              data-status="1"
              data-value="Handlebar Mount - Medium Arm"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Handlebar Mount - Medium Arm</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="6544369352822"
              data-handle="ram-b-149z-a-pd4u-ram-quick-grip-xl-phone-mount-with-handlebar-u-bolt-base"
              data-status="1"
              data-value="Handlebar Mount - Short Arm"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Handlebar Mount - Short Arm</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="6839676960886"
              data-handle="quick-grip-xl-low-profile-tough-claw"
              data-status="1"
              data-value="Handlebar Mount - Low Profile"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Handlebar Mount - Low Profile</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="6733297942646"
              data-handle="tough-strap-handlebar-base-quick-grip-xl"
              data-status="1"
              data-value="Strap Clamp Mount"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Strap Clamp Mount</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="7465944055926"
              data-handle="ram-b-166-pd4u-ram-quick-grip-xl-phone-mount-with-twist-lock-suction-cup-medium"
              data-status="1"
              data-value="Suction Cup Mount - Medium Arm"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Suction Cup Mount - Medium Arm</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              
              data-enabled="1"
              data-pid="7738376945782"
              data-handle="ram-b-149z-a-pd4-462"
              data-status="1"
              data-value="Handlebar Mount with Vibe-Safe - Short Arm"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Handlebar Mount with Vibe-Safe - Short Arm</div>
                  

                </div>
                
              </div>
            </li>
            <li
              class="lv-option-dropdown-option"
              
              selected
              data-enabled="1"
              data-pid="6733269598326"
              data-handle="quick-grip-xl-with-screw-base"
              data-status="1"
              data-value="Drill-Down Mount"
              data-available="true"
              data-product="ProductDrop"
              data-option-id="0"
            >
              <div class="lv-option-dropdown-item">
                
                <div class="lv-option-dropdown-text">
                  <div class="lv-option-dropdown-value">Drill-Down Mount</div>
                  

                </div>
                
              </div>
            </li>

</ul>
    </div>
  </div>

This version of the spring-loaded RAM Quick-Grip holder provides a secure fit for a variety of large phones and other devices. The adjustable side keepers ensure that devices like GPS units and Bluetooth speakers within the listed compatible dimensions will also fit in the holder. Included is a medium length RAM double socket arm and a 2.5” drill-down round ball base featuring the universal AMPS hole pattern. The ball and socket system provides shock and vibration damping, and allows for near-infinite adjustability to achieve an ideal viewing and operating angle of your device.

Features

Spring-loaded holder features adjustable side supports that provide a secure fit for a variety of large phones and other devices; easily insert and remove your phone with one hand
Includes 2.5" drill-down round ball base, medium length B size RAM® double socket arm, and diamond ball base; ball and socket technology allows for near-infinite adjustability
Made of powder-coated, marine-grade aluminum and high-strength composite for durability and reliability in the most demanding environments
Backed by a lifetime warranty

Tech Specs

Holder Dimensions:
Height Range: 5.75" - 7.25"

Width Range: 2.625" - 3.625", Max Depth: .72"
Socket-to-Socket Length: 3"
Hole Pattern:

4-Hole AMPS: 1.181" x 1.496"

3-Hole 120-Degree: 1.812" Diameter

Plate Size: 2.5" Diameter
Ball Size: B Size (1")
Weight Capacity:
Standard Use: 2 lbs
Weight: 0.81 lb
Material: Marine-grade aluminum, High strength composite

Exposure to vibrations, like those generated by high-powered motorcycle engines, might impact iPhone cameras. Click here to learn more.

Compatibility

Apple: iPhone 6s Plus, iPhone 7 Plus, iPhone 8 Plus, iPhone Xs Max, iPhone 11 Pro Max, iPhone 12 Pro Max, iPhone 13 Pro Max, iPhone 14 Plus, iPhone 14 Pro Max, iPhone 15, iPhone 15 Plus, iPhone 15 Pro Max, iPhone 16, iPhone 16 Plus, iPhone 16 Pro, iPhone 16 Pro Max, iPhone 16e, iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, iPhone Air
Blackberry: Evolve X
Blackview: BV9900, BV9900 Pro
Cat: S42, S62, S62 Pro
Garmin: Drive 50, Drive 51 LM, Drive 52, Drive 61 LM, DriveSmart 51 LMT-S, DriveSmart 61 LMT-S, DriveTrack 71, Nuvi 2788LM, RV 660LMT, RV 770 LMT-S
Google: Pixel 2 XL, Pixel 3 XL, Pixel 3a XL, Pixel 7 Pro, Pixel 8 Pro
HTC: Bolt, U Ultra
Huawei: Mate 20 X
Kyocera: DuraSport 5G
LG: Fiesta 2 LTE, Fiesta LTE, GBS ThinQ, Harmony, Stylo 2 V, Stylo 3, Stylo 3 Plus Titan, Stylo 4, V20, V50 ThinQ, X charge, X venture
Magellan: TR5, TR7
Motorola: moto e4 plus, moto g4, moto z2, moto z2 play, moto z3
Rand: McNally Road Explorer 5, McNally TND 540
Razer: Phone 2
Samsung: Galaxy A7, Galaxy A7 (2017), Galaxy A7 (2018), Galaxy A8, Galaxy A8 (2016), Galaxy A9 (2016), Galaxy A9 Pro (2016), Galaxy A9 (2018), Galaxy A15, Galaxy A70, Galaxy A80, Galaxy A90 5G, Galaxy C7, Galaxy C7 Pro, Galaxy C9 Pro, Galaxy E7, Galaxy Grand Neo Plus, Galaxy J7, Galaxy J7 Max, Galaxy J7 V, Galaxy Note 5, Galaxy Note 10 Plus, Galaxy Note20 Ultra, Galaxy On7, Galaxy S10 5G, Galaxy S8, Galaxy S8 Active, Galaxy S21 5G, Galaxy S21+ 5G, Galaxy S21 Ultra 5G, Galaxy S22 Ultra 5G, Galaxy S23+, Galaxy S23 Ultra, Galaxy S24+, Galaxy S24 Ultra, Galaxy S25+, Galaxy S25 Ultra, Galaxy XCover7
Social: Mobile Rhino C6
Sonim: RS60
Sony: Xperia C4, Xperia L2, Xperia XA Ultra, Xperia XA1 Ultra, Xperia XA2 Ultra, Xperia XZ Premium

Product Guides

Instructions

RAM X-Grip Assembly Guide

Documents

On Road Catalog

Package Content

Components

1 x RAM-HOL-PD4U
1 x RAM-B-138U

FAQs

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.
Q: it shows compatibility with Samsung galaxy s20 ultra and the s22 ultra. i have an s21 ultra and the size difference is minimal( actually a hair smaller on the s21) would this work with an s21?
A: Yes, the RAM-B-138-PD4U will accommodate a Samsung S21 Ultra. The full range of compatible dimensions is provided in the Holder Dimensions section on the product page.
Q: What is the rubber pad for?
A: This mount should not come with any rubber pads.

View full details

Customer Reviews

Overall rating: 4.6 / 5 from 9 reviews.

Whilst the phone mount is great, the delivery process from Mounts Australia was not. Despite paying for express postage and their internal docket noting it was prepared and packed on 16.10.26, it still took over two weeks to be delivered and multiple emails to have it resolved. Not very express, and no offer to repay the postage costs. Great product, just lower your delivery expectations.

Dave B. 3/5 Verified November 3, 2026

RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)

Fits perfectly. Not stuffing around trying to modify anything.

Trev W. 5/5 Verified October 25, 2026

RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)

Solid bit of kit.

Jack P. 4/5 Verified July 2, 2026

RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)

Very firm holding the phone in the truck no wobble great holder

Adam B. 5/5 Verified April 22, 2026

RAM® Quick-Grip™ XL Spring-Loaded Phone Mount with Drill-Down Base (RAM-B-138-PD4U)

Excellent quality mount. Easy to install on my boat. Highly recommended.