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

Part#: RAM-101U-D-247-3
UPC: 793442936517

Kit Components

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$124.49

Size Guide

Arm lengths
Short, medium, and long double socket arms compared side by side. This product uses a Long arm

The double socket arm clamps over two balls — one on the base and one on your device holder. Arm length sets your reach: short arms are the most stable, while longer arms give you more freedom to position the device.

RAM Mounts overall and socket-to-socket arm lengths by ball size
Arm Length Measurement A Size B Size C Size — this product's ball size D Size E Size
Short Overall Length N/A 2.42" 3.56" 5.69" 5.69"
Socket-to-Socket Length N/A 1.75" 2.5" 4.66" 4.66"
Medium Overall Length 2.42" 3.73" 5.69" 8.44" 12.63"
Socket-to-Socket Length 1.75" 3" 4.66" 6.88" 9.88"
Long Overall Length 3.56" 6" 9.13" — this product 12.98" N/A
Socket-to-Socket Length 3.12" 5.31" 8" 11.41" N/A

Overview

The RAM-101U-D-247-3 consists of a long length double socket arm, 2.5" diameter round base with the universal AMPS hole pattern, and a 3" maximum width square post clamp base.

hardware included:

(2) 5/16"-18 x 3" Machine Screws
(2) 5/16"-18 Nyloc Nuts

clamp range:

3" max width

socket to socket length:

8"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter

ball size:

C Size (1.5")

weight capacity:

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs

materials:

Marine-grade aluminum

packaging type:

Poly Bag

Weight:

2.35 lb

Return Policy:

All products purchased from RAM® can be returned within 30 days with no restocking fee (return shipping not provided). See full return policy here.

Print

Instructions

Square Post Clamp Base Assembly Guide

Documents

Drawing File: C Size Long Double Socket Arm

QUESTIONS & ANSWERS

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RAM® 3" Square Post Clamp Mount with Round AMPS Plate - Long Arm
$124.49

Add-on & Accessories

Locking Knobs
RAM® Pin-Lock™ Security Knob for C Size Socket Arms RAP-S-KNOB5U $13.99
RAM® Key Lock Knob with Steel Insert for C Size Socket Arms RAM-KNOB5LSU $30.49
RAM® Key Lock Knob with Brass Insert for C Size Socket Arms RAM-KNOB5LU $37.49
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