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RAM® Double Ball Mount with Two Large Round Plates - E Size Medium
Part #: RAM-E-101U UPC: 793442903625

Product Information

Overview

The RAM-E-101U consists of a double socket arm and two 3.68" diameter round bases that contain 4 mounting holes total. Designed into the mount is a 3.38" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. High quality materials insure your device is safe, secure, and within easy reach. RAM’s patented design also dampens shock and vibration helping to extend the life of your device.

Specifications
socket to socket length	9.875"
hole pattern	See Drawing
ball size	E Size (3.35")
weight capacity	Standard Use: 15 lbs Heavy-Duty Use: 10 lbs
materials	Marine-grade aluminum
packaging type	Poly Bag
Weight	10.51 lb

RAM® Double Ball Mount with Two Large Round Plates - E Size Medium

Name: RAM® Double Ball Mount with Two Large Round Plates - E Size Medium
Brand: RAM Mounts
SKU: RAM-E-101U
Price: 345.49 USD
Availability: InStock

Part#: RAM-E-101U

UPC: 793442903625

$345.49

Options

Overview

socket to socket length:

9.875"

hole pattern:

See Drawing

ball size:

E Size (3.35")

weight capacity:

Standard Use: 15 lbs
Heavy-Duty Use: 10 lbs

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

10.51 lb

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.

Print

Documents

Drawing File: E Size Large Round Ball Plate (4-Hole)

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RAM® Double Ball Mount with Two Large Round Plates - E Size Medium

$345.49

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
A	0.56" (14.3 mm)	0.5 lb	Action cameras and other ultra-light devices
B	1" (25.4 mm)	2 lbs	Phones, GPS units, and small tablets — the most common size
C	1.5" (38.1 mm)	4 lbs	Large tablets, fish finders, and rougher rides
D	2.25" (57.2 mm)	6 lbs	Rugged tablets, laptops, and heavy equipment
E — this product	3.38" (85.9 mm)	15 lbs	Large 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.

Short, medium, and long double socket arms compared side by side. This product uses a Medium arm — Arm lengths

The double socket arm clamps over two balls — one on the base and one on your device holder. Arm length sets your reach: short arms are the most stable, while longer arms give you more freedom to position the device.

RAM Mounts overall and socket-to-socket arm lengths by ball size
Arm Length	Measurement	A Size	B Size	C Size	D Size	E Size — this product's ball size
Short	Overall Length	N/A	2.42"	3.56"	5.69"	5.69"
Short	Socket-to-Socket Length	N/A	1.75"	2.5"	4.66"	4.66"
Medium	Overall Length	2.42"	3.73"	5.69"	8.44"	12.63" — this product
Medium	Socket-to-Socket Length	1.75"	3"	4.66"	6.88"	9.88"
Long	Overall Length	3.56"	6"	9.13"	12.98"	N/A
Long	Socket-to-Socket Length	3.12"	5.31"	8"	11.41"	N/A