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® Double Ball Drill-Down Mount with Diamond Plate & Backer Plate

SKU Copied
SKU: RAM-B-138U-C-INT3
UPC Copied
UPC: 793442801976

RAM® Double Ball Drill-Down Mount with Diamond Plate & Backer Plate
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SKU: RAM-B-138U-C-INT3
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| UPC: 793442801976

B SIZE
LONG ARM
Size Guide
The RAM-B-138U-C-INT3 consists of a 6.35cm (2.5") diameter round base that contains the universal AMPs hole pattern, long double socket arm, diamond base adapter and backer plate. The mount is designed with a 2.54cm (1") 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. The hole pattern found on the diamond base adapter will connect to most RAM cradles. The included RAMs patented design dampens shock and vibration, helping to extend the life of your device.

Information

Information

Product Weight
0.45 kg (1.00 lbs)
Hardware Included
(1) 5.33 cm (2.10") X 6.60 cm (2.60") Steel Backing Plate(4) #8-32 x 2.54cm (1") Screws(4) #8 Split Lock Washers(4) #8 Flat Washers
Product Dimensions
Overall Height: 18.57cm (7.3125")
Socket To Socket Length
13.49cm (5.31")
Hole Pattern
Diamond Plate: 2-Hole AMPS: 4.86cm (1.912") Round Plate: 4-Hole AMPS: 3.00 cm (1.181") X 3.80 cm (1.496") & 3-Hole 120-Degree: 4.60cm (1.812") Diameter
Ball Size
B Size (1")
Weight Capacity
Standard Use: 0.91 kg (2 lbs) Heavy-Duty Use: 0.45 kg (1 lbs)
Materials
SteelMarine-grade aluminum
Packaging Type
Poly Bag
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Components

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RAM-B-201U-C
RAM® Double Socket Arm - B Size Long
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RAM-B-238U
RAM® Diamond Ball Base - B Size
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RAM-B-202-225-2U
RAM® Drill-Down Dashboard Ball Base with Backing Plate - B Size


Complete Your Solution

Locking Knobs for B Size Socket Arms

RAM Mounts
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RAM-KNOB3LSU
RAM® Key Lock Knob with Steel Insert for B Size Socket Arms
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RAP-S-KNOB3-7U
RAM® Pin-Lock™ Security Knob with 7-Pin Pattern for B Size Socket Arms
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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RAP-462NPT
RAM® Vibe-Safe™ with NPT Adapter for 2-Hole Holders
RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View™ Adapter Plate
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RAP-326U
RAM® EZY-Mount™ Quick Release Adapter Kit

Accessories for AMPS Pattern Base Components

RAM Mounts
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RAM-202-225B-2U
RAM® Backing Plate Adapter
RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View™ Adapter Plate
RAM Mounts
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RAP-403U
RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts

RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms

RAM Mounts
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RAM-B-273U
RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms
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