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® Drill-Down Mount for TWR Color Displays

SKU Copied
SKU: RAM-B-138-TR1
UPC Copied
UPC: 793442138140
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RAM® Drill-Down Mount for TWR Color Displays
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SKU: RAM-B-138-TR1
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| UPC: 793442138140

Overview
The RAM-B-138-TR1 consists of a 2.5" / 6.35cm diameter round base with the universal AMPS hole pattern, double socket arm, diamond base adapter and mounting hardware. The mount is designed with a RAM 1" / 2.54cm diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allowing for almost infinite adjustment and perfect viewing angles.

Information

Information

Hardware Included

(2) #10-32 x 3/8" / 20.32cm Machine Screws
(2) #10-32 Flat Weld Nuts

Product Dimensions

Overall Height: 5" / 12.70cm

Socket To Socket Length

3" / 7.62cm

Hole Pattern

Diamond Plate: 2-Hole AMPS: 1.912" / 4.86cm
Round Plate: 4-Hole AMPS: 1.181" / 3.00cm x 1.496" / 3.80cm & 3-Hole 120-Degree: 1.812" / 4.60cm Diameter

Plate Size

2.5" / 6.35cm Diameter

Ball Size

B Size (1" / 2.54cm)

Weight Capacity

Standard Use: 2 lbs / 0.907kg
Heavy-Duty Use: 1 lb / 0.454kg

Materials

Marine-grade aluminum

Packaging Type

Poly Bag

Weight

0.54 lb / 0.245kg

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Components

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RAM Mounts
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RAM-B-201U
RAM® Double Socket Arm - B Size Medium
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RAM Mounts
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RAM-B-202U
RAM® Round Plate with Ball - B Size
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RAM Mounts
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RAM-B-238-FP2U
RAM® Ball Adapter with Flat Panel Mounting Hardware - 3/8" Screws


Complete Your Solution

Locking Knobs for B Size Socket Arms

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RAM Mounts
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RAM-KNOB3LSU
RAM® Key Lock Knob with Steel Insert for B Size Socket Arms
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RAM Mounts
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RAP-S-KNOB3-7U
RAM® Pin-Lock Security Knob with 7-Pin Pattern for B Size Socket Arms
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RAM Mounts
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RAP-S-KNOB3U
RAM® Pin-Lock Security Knob for B Size Socket Arms

Diamond Plate Accessories

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RAM Mounts
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RAP-462NPT
RAM® Vibe-Safe™ with NPT Adapter for 2-Hole Holders
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RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View Adapter Plate
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RAM Mounts
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RAP-326U
RAM® EZY-Mount™ Quick Release Adapter Kit

Accessories for AMPS Pattern Base Components

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RAM Mounts
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RAM-202-225B-2U
RAM® Backing Plate Adapter
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RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View Adapter Plate
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RAM Mounts
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RAP-400-202U
RAM® Tough-Claw™ Trolling Motor Stabilizer - C Size Medium
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