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RAM Mounts

RAM Double Ball Mount with Round & Diamond Bases - B Series - Composite

RAM Double Ball Mount with Round & Diamond Bases - B Series - Composite


Regular price $53.04 NZD
Regular price Sale price $53.04 NZD
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RAP-B-138U - RAM® Composite Drill-Down Mount with Diamond Plate - Medium


* 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 medium length double socket arm;
* RAM ball and socket technology allows for near-infinite adjustability
* Made of High Strength Composite for durability and reliability in the most demanding marine environments
* Backed by a lifetime warranty

The RAP-B-138U consists of a 2.5" (63.5mm) diameter round base that contains the universal AMPs hole pattern, diamond plate witrh the 2 hole AMPs pattern and a composite medium arm.

The mount is designed with a 1" (B Series) diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm; this allows for almost infinite adjustment and perfect viewing angles. The hole pattern found on the diamond base adaptor will connect to most RAM cradles. The included RAM’s patented design dampens shock and vibration, helping to extend the life of your device.

The diamond base has two holes 48.5mm from centre to centre, matching the industry standard AMPS hole pattern and will connect to a large variety of RAM Mount and third party cradles.

Specs & Features

Overall Length:
127.8mm (5.03" )

Arm Dimensions:
Overall Length:
94mm (3.69")
Socket-To-Socket Length:
76mm (3")

Hole Patterns
Round Plate
4-Hole AMPS:
1.181" x 1.496" (30mm x 38mm)
Diamond Plate
3-Hole AMPS 120- Degree
1.812” (46.0mm)

Diamond Base Dimensions
61.7mm x 33.3mm (2.43" x 1.31")

Round Plate Dimensions
63.5mm (2.5")

High Strength Composite

Ball Size
1" Rubber "B" Ball Size

227 grams (0.5 lbs.)

Weight Capacity
Standard Use:
907 grams (2 lbs)
Heavy-Duty Use:
454 grams (1 lb)

RAP-B-201U - composite double socket arm
RAP-B-238U - composite Diamond Base
RAP-B-202U - composite round base