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RAM® Single Socket Arm with Round Plate
Part #: RAP-200-1-293U UPC: 793442928055 Patented Features Swiveling single socket arm allows for 360-degree rotation on 2.5" round base featuring the industry-standard AMPS hole pattern Compatible with C size RAM® ball components Made of high-strength composites for durability and reliability in the most demanding environments Backed by a lifetime warranty

Product Information

Specifications
hole pattern	4-Hole AMPS: 1.181" x 1.496"
ball size	C Size (1.5")
weight capacity	Standard Use: 4 lbs Heavy-Duty Use: 3 lbs
materials	High strength composite
packaging type	Poly Bag
Weight	0.35 lb

Patented

RAM® Single Socket Arm with Round Plate

Name: RAM® Single Socket Arm with Round Plate
Brand: RAM Mounts
SKU: RAP-200-1-293U
Price: 18.99 USD
Availability: InStock

Part#: RAP-200-1-293U

UPC: 793442928055

$18.99

Options

RAM® Round Plate with Ball - C Size

$19.49

Features

Swiveling single socket arm allows for 360-degree rotation on 2.5" round base featuring the industry-standard AMPS hole pattern
Compatible with C size RAM® ball components
Made of high-strength composites for durability and reliability in the most demanding environments
Backed by a lifetime warranty

hole pattern:

4-Hole AMPS: 1.181" x 1.496"

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

High strength composite

packaging type:

Poly Bag

Weight:

0.35 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.

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QUESTIONS & ANSWERS

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What are the dimensions from the bottom of the base plate to the top of the ball socket?

The total height is 3.5".

RAM® Single Socket Arm with Round Plate

$18.99

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 — this product	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	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.