Standard
RAM® Double Ball Mount with Diamond Plate Adapter - Long
Part#:RAM-138U-D UPC:793442029493
Ball size C
Arm length Long
1 479 kr
Incl. VAT

On request

This item is available on request. Leave your email and/or phone number and we’ll get back to you — it may already be on order or ready to assemble from parts in stock. If we need to source it specially, lead time is typically 6–8 weeks.

Looking for a faster option? Alternatives such as components or a different arm length are often available — contact us and we’ll help you find the right fit.

  • Drill-down mounting solution use diamond plate featuring the AMPS hole pattern for attachment to compatible device holders
  • Includes one round ball base, one diamond ball base, and C 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 environments
  • Backed by a lifetime warranty
Related RAM® Products
RAM® Pin-Lock™ Security Knob for C Size Socket Arms
RAM® Pin-Lock™ Security Knob for C Size...
RAM® Key Lock Knob with Steel Insert for C Size Socket Arms
RAM® Key Lock Knob with Steel Insert fo...
RAM® Key Lock Knob with Brass Insert for C Size Socket Arms
RAM® Key Lock Knob with Brass Insert fo...
The RAM® Double Ball Mount with Diamond Plate Adapter - Long (RAM-138U-D) consists of a long double socket arm, one 2.5" diameter round base, and one 2.43" x 1.31" diamond base. Each base features the universal AMPS hole pattern, making them compatible with all RAM® device holders. The mount is designed with a 1" diameter rubber ball and socket system that features adjustment points at both ends of the double socket arm, allowing for near-infinite adjustability for ideal viewing angles.
product dimensions

Overall Height: 10.85"
socket to socket length

8"
hole pattern

4-Hole AMPS: 1.181" x 1.496"
3-Hole 120-Degree: 1.812" Diameter
plate size

2.5" Diameter
ball size

C Size (1.5")
weight capacity

Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs
materials

Marine-grade aluminum
packaging type

Poly Bag
Weight

0.955 kg

Related Solutions

AMPS Backing Plates
RAM® Backing Plate Adapter RAM-202-225B-2U
239 kr
RAM® Spacer Plate Accessory for Flush Mounting RAP-403FU
Availability Only a few left
139 kr
RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts RAP-403
Availability Only a few left
279 kr