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RAM® Drill-Down Double Ball Mount with Rectangle AMPS Plate - Medium | |
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Part #:
RAM-B-139U
UPC:
793442915284
Features
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Product Information | |
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Overview | The RAM-B-139U consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm and 2" x 1.7" square base with the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles. |
Specifications | |
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product dimensions | Overall Height: 5" |
socket to socket length | 3" |
hole pattern | Round Plate: 4-Hole AMPS: 1.181" x 1.496" & 3-Hole 120-Degree: 1.812" Diameter Rectangular Plate: 4-Hole AMPS: 1.181" x 1.496" |
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 |
packaging type | Poly Bag |
Weight | 0.55 lb |


The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 2.42" |
Overall Length 3.56" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 2.5" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Kit Components


The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured by a multitude of interchangeable components to fit your specific needs.

A Size
Holds .5 lbs.
Trail Cameras

B Size
Holds 2 lbs.
Phones, Action Cameras, Light Duty Tablets

C Size
Holds 4 lbs.
Fishfinders, Heavy Duty Tablets

D Size
Holds 6 lbs.
Heavy Monitors

E Size
Holds 15 lbs.
Heavy Monitors
The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.
Size | A Size | B Size | C Size | D Size | E Size |
---|---|---|---|---|---|
Short Arm | Overall Length N/A |
Overall Length 2.42" |
Overall Length 3.56" |
Overall Length 5.69" |
Overall Length 5.69" |
Socket-to-Socket Length N/A |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 2.5" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 4.66" |
|
Medium Arm | Overall Length 2.42" |
Overall Length 3.73" |
Overall Length 5.69" |
Overall Length 8.44" |
Overall Length 12.63" |
Socket-to-Socket Length 1.75" |
Socket-to-Socket Length 3" |
Socket-to-Socket Length 4.66" |
Socket-to-Socket Length 6.88" |
Socket-to-Socket Length 9.88" |
|
Long Arm | Overall Length 6" |
Overall Length 6" |
Overall Length 9.13" |
Overall Length 12.98" |
Overall Length N/A |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 5.31" |
Socket-to-Socket Length 8" |
Socket-to-Socket Length 11.41" |
Socket-to-Socket Length N/A |
Kit Components

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Overview
The RAM-B-139U consists of a 2.5" diameter round base with the universal AMPS hole pattern, double socket arm and 2" x 1.7" square base with the universal AMPS hole pattern. Designed into the mount is a 1" diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm; this with RAM's rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.
Features
- Drill-down mounting solution; rectangle plate features AMPS hole pattern for attachment to compatible device holders
- Includes round ball base, rectangle ball base, and B size long length double socket arm; ball and socket technology allows for near-infinite adjustability
- Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
- Backed by a lifetime warranty
product dimensions:
Overall Height: 5"
socket to socket length:
3"
hole pattern:
Round Plate: 4-Hole AMPS: 1.181" x 1.496" & 3-Hole 120-Degree: 1.812" Diameter
Rectangular Plate: 4-Hole AMPS: 1.181" x 1.496"
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
packaging type:
Poly Bag
Weight:
0.55 lb