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® 3" Square Post Clamp Mount with Round AMPS Plate - Medium Arm

SKU Copied
SKU: RAM-101U-247-3
UPC Copied
UPC: 793442923654
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RAM® 3" Square Post Clamp Mount with Round AMPS Plate - Medium Arm
Copy SKU
SKU: RAM-101U-247-3
Copy UPC
| UPC: 793442923654

C SIZE
MED ARM
Size Guide
Overview
The RAM-101U-247-3 consists of a 6 inch double socket arm, round 2.5" / 12.70cm / 6.35cm diameter round base with the universal AMPS hole pattern and 3" / 7.62cm clamp base. The clamp base will wrap around a maximum width of 3" / 7.62cm and is tightened by screwing the two plates together with the included nuts and bolts. Rubber ball, socket technology dampens shock and vibration, as well as allows for almost infinite adjustment, perfect viewing angles.

Features
  • 2.5" / 12.70cm / 6.35cm round plate connects to RAM® device holders containing the universal AMPS hole pattern
  • Includes 3" / 7.62cm clamping base for posts and a medium length, C size RAM® 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 environments
  • Backed by a lifetime warranty

Information

Resources

Information

Hardware Included

(2) 5/16" / 40.64cm-18 x 3" / 7.62cm Machine Screws
(2) 5/16" / 40.64cm-18 Nylock Nuts

Product Dimensions

Overall Height: 7.85" / 19.94cm

Clamp Range

3" / 7.62cm max width

Socket To Socket Length

4.66" / 11.84cm

Hole Pattern

4-Hole AMPS: 1.181" / 3.00cm x 1.496" / 3.80cm
3-Hole 120-Degree: 1.812" / 4.60cm Diameter

Ball Size

C Size (1.5" / 3.81cm)

Weight Capacity

Standard Use: 4 lbs / 1.814kg
Heavy-Duty Use: 3 lbs / 1.361kg

Materials

Marine-grade aluminum

Packaging Type

Poly Bag

Weight

1.81 lb / 0.821kg

Resources

Instructions
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Components

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RAM Mounts
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RAM-201U
RAM® Double Socket Arm - C Size Medium
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RAM Mounts
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RAM-202U
RAM® Round Plate with Ball - C Size
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RAM Mounts
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RAM-247U-3
RAM® Square Post Clamp Base for Posts up to 3" Wide - C Size


Complete Your Solution

Locking Knobs for C Size Socket Arms

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