RAM® Twist-Lock™ Triple Suction Cup Mount with Diamond Plate
Ball Base Information
"RAM" Prefix Code
To provide lightweight strength and corrosion resistance, RAM is made of marine grade Aluminium with a black powder coated finish, stainless steel hardware and 'rubber balls' - 'RAM' products are stiffer and stronger than their 'RAP' variants and typically used in more rugged applications.
"RAP" Prefix Code
Many of our 'RAM' products are available in a 'RAP' - composite variant. Our composite 'RAP' products are generally designed for lighter duty applications where keeping the weight of the mount low is a priority.
RAM® BALL SIZES
The weight limits below are a guide only. All factors in a planned mounting configuration should be considered to choose the most suitable ball size.
The most common ball size applications:
B Size - Action Cameras, Phones and Small Tablets
C Size - Medium - Large Tablets in Heavier Duty Applications
D Size - Heavy and Rugged Tablets and Laptops in Commercial Applications
Please check with our technical team for advice.


Backorder parts are normally available within a 4 to 6 week timeframe. Please contact our sales team for more accurate delivery information.
You can also order the individual component parts below.
Features
- RAM® Twist-Lock™ triple suction cup base is ideal for vehicle windshields and other nonporous surfaces
- Ideal mounting base for phones, tablets, cameras, and much more; diamond base features 2-hole AMPS pattern compatible with RAM® holders and docks
- Bundle features C size components; Twist-Lock™ triple suction cup base, medium length arm, and diamond base
- Made of high-strength composite and powder-coated, marine-grade aluminum for durability and reliability in the most demanding environments
- Backed by a lifetime warranty
The RAM® Twist-Lock™ Triple Suction Cup Mount with Diamond Plate (RAP-365-138U) is a convenient way to mount any device to a flat, non-porous surface, like glass. This heavy-duty mounting solution features three powerful suction cups with twist-lock latches for secure, vibration-resistant attachment—ideal for windshields, windows, and other smooth surfaces. Easily connect any RAM® device holder, cradle, or dock, or directly mount your device using the standard 2-hole AMPS pattern for a customizable and reliable setup.
Components
hardware included
Assembly Hardware
suction size
(3) 3.3" Diameter Bases, Total Width 7.95"
socket to socket length
4.66"
hole pattern
2-Hole AMPS: 1.912"
ball size
C Size (1.5")
weight capacity
Standard Use: 4 lbs
Heavy-Duty Use: 3 lbs
materials
Marine-grade aluminum
High strength composite
packaging type
Poly Bag
Weight
0.821 kg