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-INT1
UPC Copied
UPC: 793442928857
Ram B 138u C Int11jpg

RAM® Double Ball Drill-Down Mount with Diamond Plate & Backer Plate
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SKU: RAM-B-138U-C-INT1
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| UPC: 793442928857

Overview
The RAM-B-138U-C-INT1 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 RAM’s patented design dampens shock and vibration, helping to extend the life of your device.

Information

Information

Hardware Included

(1) 7.62 cm (3") X 7.62 cm (3") Steel Backing Plate
(4) #10-24 x 2.54cm (1") Thread Locking Screws
(4) #10-24 Nylock Nuts

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

Steel
Marine-grade aluminum

Packaging Type

Poly Bag

Weight

0.49 kg (1.09 lbs)

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Components

Ram 202 225bu1jpg
RAM Mounts
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RAM-202-225BU
RAM® Backing Plate Adapter
05 05 230842ram B 201u C1jpg
RAM Mounts
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RAM-B-201U-C
RAM® Double Socket Arm - B Size Long
01 29 230203ram B 202u1jpg
RAM Mounts
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RAM-B-202U
RAM® Round Plate with Ball - B Size
05 19 230907ram B 238u1jpg
RAM Mounts
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RAM-B-238U
RAM® Diamond Ball Base - B Size


Complete Your Solution

Locking Knobs for B Size Socket Arms

01 29 232210rap S Knob3 7u1jpg
RAM Mounts
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RAP-S-KNOB3-7U
RAM® Pin-Lock Security Knob with 7-Pin Pattern for B Size Socket Arms
01 29 232210rap S Knob3 6u1jpg
RAM Mounts
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RAP-S-KNOB3-6U
RAM® Pin-Lock™ Security Knob with 6-Pin Pattern for B Size Socket Arms
07 19 230753rap S Knob3u1jpg
RAM Mounts
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RAP-S-KNOB3U
RAM® Pin-Lock™ Security Knob for B Size Socket Arms

Diamond Plate Accessories

01 29 230755ram Hol Roto1u1jpg
RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View Adapter Plate
01 29 231142rap 326fu1jpg
RAM Mounts
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RAP-326FU
RAM® EZY-Mount™ Quick Release Female Adapter
01 29 231142rap 326u1jpg
RAM Mounts
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RAP-326U
RAM® EZY-Mount™ Quick Release Adapter Kit

Accessories for AMPS Pattern Base Components

Ram 202 225bu1jpg
RAM Mounts
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RAM-202-225BU
RAM® Backing Plate Adapter
01 29 230755ram Hol Roto1u1jpg
RAM Mounts
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RAM-HOL-ROTO1U
RAM® Roto-View Adapter Plate
01 29 232018rap 403u1jpg
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

01 29 230220ram B 273u1jpg
RAM Mounts
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RAM-B-273U
RAM® Add-A-Ball™ Accessory Ball for B Size Socket Arms
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