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® Square Post Clamp Base for Posts up to 4" Wide Without Hardware

SKU Copied
SKU: RAM-247U-4NH
UPC Copied
UPC: 793442921681

RAM® Square Post Clamp Base for Posts up to 4" Wide Without Hardware
Copy SKU
SKU: RAM-247U-4NH
Copy UPC
| UPC: 793442921681

C SIZE
Size Guide
The RAM-247U-4NH is a clamp base with 3.81cm (1.5") rubber ball that will connect to rails up to 10.16cm (4") maximum in width. Hardware not included.

Information

Information

Product Weight
0.48 kg (1.05 lbs)
Ball Size
C Size ( 3.81cm (1.5") )
Weight Capacity
Standard Use: 1.81 kg (4 lbs) Heavy-Duty Use: 1.36 kg (3 lbs)
Materials
Marine-grade aluminum
Packaging Type
Poly Bag
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Complete Your Solution

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RAM-201MU-B
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RAM-201MU-D
RAM® Double Socket Arm with Metal Knob - C Size Long
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RAM-201U
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RAM-201U-B
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RAP-201-S-KEY5U
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RAP-201U
RAM® Composite Double Socket Arm - C Size Medium
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RAM® Composite Double Socket Arm - C Size Short
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