World-Class Mounting Systems

Size Guide

Ball Sizes

Arm Sizes

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
B Size	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
C Size	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
D Size	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
E Size	Socket-to-Socket Length	4.98" / 12.65cm	9.88" / 25.10cm	N/A

 / Overview /

RAM® Double Ball Drill-Down Mount with Diamond Plate - Long

SKU Copied

SKU: RAM-B-138U-C

UPC Copied

UPC: 793442903304

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

RAM® Double Ball Drill-Down Mount with Diamond Plate - Long

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RAM-B-138U-C SKU: RAM-B-138U-C

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793442903304 | UPC: 793442903304

B SIZE

LONG ARM

Size Guide

The RAM-B-138U-C consists of a 6.35cm (2.5") diameter round base that contains the universal AMPs hole pattern, LONG double socket arm and diamond base adapter. 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.

Features

Drill-down mounting solution; diamond plate features 2-hole AMPS hole pattern for attachment to compatible device holders
Includes round ball base, diamond ball base, and B size long length double socket arm; ball and socket technology allows for near-infinite adjustability
Made of Powder-coated, marine-grade aluminum for durability and reliability in the most demanding marine environments
Backed by a lifetime warranty

Tags: 3-Hole 120 Degree (Small), 7.3125", AMPS 2-Hole, AMPS 4-Hole, B Size 1" (Holds 2 lbs), Complete kits, Diamond Plate, Drill-Down, Long Arm, RAM-B-138U-C

Information

Product Weight

0.34 kg (0.75 lbs)

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

Plate Size

Round Plate: 6.35cm (2.5") DiameterDiamond Plate: 6.17 cm (2.43") X 3.33 cm (1.31")

Ball Size

B Size (1")

Weight Capacity

Standard Use: 0.91 kg (2 lbs) Heavy-Duty Use: 0.45 kg (1 lbs)

Materials

Marine-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-202U

RAM® Round Plate with Ball - B Size

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RAM-B-238U

RAM® Diamond Ball Base - B Size

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Complete Your Solution

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RAM-B-201U-C

RAM® Double Socket Arm - B Size Long

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RAM-B-202U

RAM® Round Plate with Ball - B Size

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RAM-B-238U

RAM® Diamond Ball Base - B Size

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Locking Knobs for B Size Socket Arms

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RAM-KNOB3LU

RAM® Key Lock Knob with Brass Insert for B Size Socket Arms

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RAM-KNOB3LSU

RAM® Key Lock Knob with Steel Insert for B Size Socket Arms

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RAP-S-KNOB3-4U

RAM® Pin-Lock™ Security Knob with 4-Pin Pattern for B Size Socket Arms

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RAP-S-KNOB3-5U

RAM® Pin-Lock™ Security Knob with 5-Pin Pattern 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

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RAP-S-KNOB3-6U

RAM® Pin-Lock™ Security Knob with 6-Pin Pattern for B Size Socket Arms

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RAP-S-KNOB3U

RAM® Pin-Lock™ Security Knob for B Size Socket Arms

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Diamond Plate Accessories

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RAP-462NPT

RAM® Vibe-Safe™ with NPT Adapter for 2-Hole Holders

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RAM-HOL-ROTO1U

RAM® Roto-View™ Adapter Plate

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RAM-MAG-1U

RAM® Screen Magnifier for Handheld Devices

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RAP-326FU

RAM® EZY-Mount™ Quick Release Female Adapter

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RAP-326U

RAM® EZY-Mount™ Quick Release Adapter Kit

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RAM-MAG88DU

RAM® Tough-Mag™ 88MM Diameter Magnetic Adapter with 2-Hole AMPS Pattern

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Accessories for AMPS Pattern Base Components

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RAM-GDS-DOCKB-SAM75U

GDS® Tough-Dock™ Body for Samsung Tab A7 10.4

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RAM-GDS-DOCKB-SAM65U

GDS® Tough-Dock™ Body for Samsung Tab A 10.1 SM-T510

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RAM-GDS-DOCKB-AP32U

GDS® Tough-Dock™ Body for Apple iPad 10th Gen, Pro 11 & Air 11

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RAM-202-225B-2U

RAM® Backing Plate Adapter

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RAM-GDS-DOCKB-SAM78U

GDS® Tough-Dock™ Body for Samsung Tab S10+, S9+, S8+ & More

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RAM-GDS-DOCKB-SAM76U

GDS® Tough-Dock™ Body for Samsung Tab S7 11" & Tab S9 FE

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RAM-GDS-DOCKB-SAM62U

GDS® Tough-Dock™ Body for Samsung Tab Active3 and Tab Active2

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RAM-HOL-ROTO1U

RAM® Roto-View™ Adapter Plate

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RAM-MARI-NUT-4U

RAM® Mari-Nut™ Rubber Expansion Mounting Hardware

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RAM-MARI-RIVET-4U

RAM® Mari-Rivet™ Aluminum Pop Rivets

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RAP-365B-1-339U

RAM® Triple Ball and Socket Magnetic Base with AMPS Hole Pattern

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RAP-403FU

RAM® Spacer Plate Accessory for Flush Mounting

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RAP-400-202U

RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Medium Arm

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RAP-356U

RAM® Adapt-To-RAM™ Hole Pattern Plate Adapter

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RAP-403U

RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts

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RAM-GDS-DOCKB-SAM67U

GDS® Tough-Dock™ Body for Samsung Tab A 8.4 SM-T307

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RAP-404-202U

RAM® Trolling Motor Stabilizer - Tough-Claw™ 1” - 1.6” Medium Arm

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RAM-GDS-DOCKB-SAM66U

GDS® Tough-Dock™ Body for Samsung Tab A 10.5 SM-T590 & T-597

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RAM-GDS-DOCKB-SAM55U

GDS® Tough-Dock™ Body for Samsung Tab A 8.0 (2019) SM-T290 & T-295

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RAM-GDS-DOCKB-SAM80U

GDS® Tough-Dock™ Body for Samsung Tab A9 & A7 Lite 8.7”

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RAM-GDS-DOCKB-SAM63U

GDS® Tough-Dock™ Body for Samsung Tab A 8.0 (2018) SM-T387

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RAM-GDS-DOCKB-SAM83U

GDS® Tough-Dock™ Body for Samsung Tab A8 10.5 SM-X200

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RAM-GDS-DOCKB-AP37U

GDS® Tough-Dock™ Body for iPad Pro 12.9 3rd - 6th Gen, Pro 13 & Air 13

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RAM-B-101-225B-NFCU

RAM® NFC Extender with Dashboard Mount

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RAM-GDS-DOCKB-SAM62-NFCU

GDS® Tough-Dock™ Body for Tab Active3 with NFC Extender

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RAP-400-D-202U

RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Long Arm

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RAP-DOCK-SBLU

RAM® Large Side Accessory Bracket for Vehicle Docks

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RAM-GDS-DOCKB-SAM88U

GDS® Tough-Dock™ Body for Samsung Tab A9+

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RAM-GDS-DOCKB-SAM54NU

GDS® Tough-Dock™ Body for Samsung Tab Active Pro

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

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RAM-B-273U

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

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Size Guide

RAM® Double Ball Drill-Down Mount with Diamond Plate - Long

RAM® Double Ball Drill-Down Mount with Diamond Plate - Long Copy SKU RAM-B-138U-C SKU: RAM-B-138U-C Copy UPC 793442903304 | UPC: 793442903304

Information

Information

Components

Complete Your Solution

Locking Knobs for B Size Socket Arms

Diamond Plate Accessories

Accessories for AMPS Pattern Base Components

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

RAM® Double Ball Drill-Down Mount with Diamond Plate - Long

Copy SKU
RAM-B-138U-C SKU: RAM-B-138U-C

Copy UPC
793442903304 | UPC: 793442903304