World-Class Mounting Systems

Size Guide

Ball Sizes
Arm Sizes
X
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.
B Size
Holds 2 lbs / 0.91 KG
1" Ball
Phones, Action Cameras, Light Duty Tablets
C Size
Holds 4 lbs / 1.81 KG
1.5" Ball
Fishfinders, Heavy Duty Tablets
D Size
Holds 6 lbs / 2.72 KG
2.25" Ball
Monitors, Large Fishfinders
E Size
Holds 15 lbs / 6.8 KG
3.38" Ball
Heavy Monitors
Ball Sizes Short Arm Medium Arm Long Arm
B Size Overall Length 2.42" / 6.1468cm 3.73" / 9.47cm 6.00" / 15.24cm
Socket-to-Socket Length 1.75" / 4.45cm 3.00" / 7.62cm 5.31" / 13.49cm
C Size Overall Length 3.56" / 9.04cm 5.69" / 14.45cm 9.13" / 23.19cm
Socket-to-Socket Length 2.50" / 6.35cm 4.66" / 11.84cm 8.00" / 20.32cm
D Size Overall Length 5.10" / 12.95cm 8.44" / 21.44 12.98" / 32.97
Socket-to-Socket Length 3.60" / 9.14cm 6.88" / 17.48cm 11.41" / 28.98cm
E Size Overall Length 7.31" / 18.57cm 12.63" / 32.08cm N/A
Socket-to-Socket Length 4.98" / 12.65cm 9.88" / 25.10cm N/A

RAM® Large Marine Electronics Plate with 1" NPT Hole

SKU Copied
SKU: RAM-D-137BHU
UPC Copied
UPC: 793442911620

RAM® Large Marine Electronics Plate with 1" NPT Hole
Copy SKU
SKU: RAM-D-137BHU
Copy UPC
| UPC: 793442911620

The RAM-D-137BHU is a universal mounting bracket with a selection of mounting hole locations. In certain applications additional holes may need to be drilled for proper fit with your electronic device.

Information

Information

Product Weight
0.50 kg (1.10 lbs)
Materials
Marine-grade aluminum
Packaging Type
Poly Bag
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Complete Your Solution

Locking Knobs for C Size Socket Arms

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RAM-KNOB5LU
RAM® Key Lock Knob with Brass Insert for C Size Socket Arms
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RAP-S-KNOB5U
RAM® Pin-Lock™ Security Knob for C Size Socket Arms
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RAP-S-KNOB5-7U
RAM® Pin-Lock™ 7-Pin Security Knob for C Size and Swing Arms

1" NPT Post Components

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RAM-D-261-1U
RAM® Swing Arm Extension with 1" NPT Post and 1" NPT Hole
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RAM® 4" Square Post Clamp Ratchet Base with 1" NPT Post
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RAM-PA13124
RAM® 24" Long 1" NPT Male Threaded Pipe
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