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® Friction Hinge Arm with Pin-Lock™ Ball for Tough-Bar™

SKU Copied
SKU: RAM-TB-FHA2-1BU
UPC Copied
UPC: 793442027864

RAM® Friction Hinge Arm with Pin-Lock™ Ball for Tough-Bar™
Copy SKU
SKU: RAM-TB-FHA2-1BU
Copy UPC
| UPC: 793442027864

C SIZE
Size Guide
The RAM Friction Hinge Arm with Pin-Lock Ball for Tough-Bar (RAM-TB-FHA2-1BU) is a modular attachment designed to let you build your own C size mounting solution on the RAM Tough-Bar. This setup features a C size RAM Pin-Lock ball, allowing you to connect any C size double socket arm and device holderideal for tablets, GPS devices, or other accessories. When paired with a C size arm, this configuration offers up to 180 of articulation, while the integrated friction hinge provides smooth, single-axis pivoting for fine-tuned positioning or quick access to vehicle controls. For added safety, the Collar-Lock system acts as a rotational limiter, preventing over-rotation that could send the arm or device into the dashboard during adjustment or impact. Together, the friction hinge and Collar-Lock provide stable, vibration-resistant performance even in demanding environments. The built-in cable retention feature keeps cords neatly organized and secured along the arm, preventing snags or strain during adjustment. With its durable construction and RAM compatibility, the Friction Hinge Arm for Tough-Bar delivers customizable adjustability, secure hold, and reliable protection for your equipment and vehicle interior.

Features
  • Enables smooth, single-axis side-to-side pivoting for optimal keyboard or accessory positioning
  • Integrated Collar-Lock™ system prevents over-rotation to protect devices and vehicle interiors during adjustment or impact
  • Includes a C size ball base; complete your RAM® solution with an arm and holder
  • Built-in cable retention keeps cords organized
  • Backed by a lifetime warranty

Information

Resources

Information

Product Weight
0.43 kg (0.95 lbs)
Hardware Included
Assembly Hardware
Product Dimensions
Length: 16.21cm (6.38") (center clamp to center ball)
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 aluminumHigh strength composite
Packaging Type
Poly Bag

Resources

INSTRUCTIONS
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Components

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RAM-463U
RAM® Aluminum Pin-Lock Ball Adapter with 1/4"-20 Female Thread - C Size


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C Size Double Socket Arms

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RAM® Double Socket Arm with Metal Knob - C Size Long
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RAM-201U
RAM® Double Socket Arm - C Size Medium
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RAM-201U-B
RAM® Double Socket Arm - C Size Short
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