Patented

RAM® Tube Jr.™ Rod Holder with Revolution Arm without Base

Part#: RAP-390-RB-NBU
UPC: 793442940538

Kit Components

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$33.99

Overview

Ideally suited for a wide range of applications and fishing vessels, this rod holder is quickly becoming known as the most versatile rod holder on the market. This configuration includes the RAM ROD® Revolution ratchet arm with single open socket. Combining the patented RAM rubber ball and socket system with a ratcheting feature; this rod holder has almost infinite adjustability and configuration options. Easily collapse the rod holder down on the deck for clearing your casting path or articulate over the water, and out of the boat or kayak. Rod holder doubles as a stake out pole holder.

ball size:

C Size (1.5")

weight capacity:

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

materials:

High strength composite

packaging type:

Poly Bag

Weight:

0.97 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.

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QUESTIONS & ANSWERS

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  • What are the inner dimensions of the tube jr?

    The inside diameter is 1.5" and the length of the tube is 7".

RAM® Tube Jr.™ Rod Holder with Revolution Arm without Base
$33.99

Size Guide

Ball sizes
  • A Size 0.56" ball
  • B Size 1" ball
  • C Size — this product 1.5" ball
  • D Size 2.25" ball
  • E Size 3.38" ball

Every RAM® mount is built around a rubber ball and socket system. The ball size sets how much weight the mount can carry. Match it to your device for smooth adjustment with a rock-solid hold.

RAM Mounts ball size specifications and typical uses
Size Ball Diameter Max Load* Best For
A0.56" (14.3 mm)0.5 lbAction cameras and other ultra-light devices
B1" (25.4 mm)2 lbsPhones, GPS units, and small tablets — the most common size
C — this product1.5" (38.1 mm)4 lbsLarge tablets, fish finders, and rougher rides
D2.25" (57.2 mm)6 lbsRugged tablets, laptops, and heavy equipment
E3.38" (85.9 mm)15 lbsLarge displays and demanding aviation or industrial use

*Approximate capacity for a standard ball with a mid-length arm. Shorter arms and steel-reinforced posts increase real-world capacity.

Reading part numbers

The letter after RAM tells you the ball size: RAM-B-166 uses a 1" B ball, while RAM-D-201 uses a 2.25" D ball. C size parts are the exception and carry no letter, so RAM-201U is a C size arm.

Add-on & Accessories

C Size 1.5" Ball Bases
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