Patented

RAM® X-Grip® Phone Mount with Drill-Down Base

Part#: RAM-B-138-UN7U
UPC: 793442946493

Compatibility

Apple

iPhone 12 mini iPhone 13 mini iPhone 15 Pro iPhone 8 iPhone SE iPhone X iPhone Xs

Google

Pixel 2 Pixel 3 Pixel 3a Pixel 4 Pixel 4a Pixel 5 Pixel 8

LG

Q6

Motorola

razr

Nokia

1 3310 Dual SIM 8110 4G

Samsung

Galaxy A10e Galaxy A20e Galaxy A40 Galaxy A6 Galaxy J2 Galaxy S10 Galaxy S10e Galaxy S20 5G Galaxy S22 5G Galaxy S23 Galaxy S24 Galaxy S25 Galaxy S8 Galaxy S9 Z4

Sony

Xperia XZ1 Compact Xperia XZ2 Compact

Kit Components

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$66.99

Overview

The RAM-B-138-UN7U consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm and universal spring loaded X-Grip® cradle for cell phones. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at the both ends of the socket arm; this with a twist of the arm knob, allows you to move the mount to your optimum viewing position. The included X-Grip® cradle has a clean and clever four leg design that sports great holding power without hiding your phone behind foam pads and plastic. The spring loaded X-Grip® cradle expands and contracts, allowing for a perfect custom fit of your cell phone. The perfect complement to the modern sleek interior of today's vehicles, the RAM X-Grip® is the cell phone cradle evolved. The X-Grip® includes a device tether recommended for outdoor applications. The cradle is compatible with handheld devices that will fit the dimensions listed below. It is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size.

Features

  • Spring-loaded 'X' design features rubber caps and sports great holding power; includes optional device tether for peace of mind during rugged use
  • Includes drill-down 2.5" round base and medium length, B size RAM® double socket arm; ball and socket technology allows for near-infinite adjustability
  • Made of powder-coated, marine-grade aluminum, stainless steel components, and high-strength composite for durability and reliability in the most demanding environments
  • Backed by a lifetime warranty

hardware included:

(1) Optional Tether
(1) Glue Tube for Rubber Caps

holder dimensions:

Width Range: 1.875" - 3.25"
Depth Range: .875" max

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
Heavy-Duty Use: 1 lb

materials:

Marine-grade aluminum
High strength composite
Stainless steel

packaging type:

Poly Bag

Weight:

0.65 lb

Additional Information:

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

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

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RAM® X-Grip® Phone Mount with Drill-Down Base
$66.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size — this product 1" ball
  • C Size 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B — this product1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

Arm Accessories
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Base Accessories
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X-Grip® Caps
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