RAM® Form-Fit Cradle for Garmin nuvi 1690
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.
![A chart of ball sizes](http://www.ram-mount.co.uk/cdn/shop/files/ball-arm-spec.jpg?v=1720434415&width=1200)
![](http://www.ram-mount.co.uk/cdn/shop/files/ball-arm-spec-vertical.jpg?v=1720613989&width=600)
The RAM-HOL-GA37U consists of a high strength composite cradle and hole pattern that will allow the attachment to all RAM components or mounts that contain the universal AMPs hole pattern. Compatible and interchangeable with a wide range of popular RAM Mounting products, this cradle is ready to compliment your GPS and become the most useful accessory in your vehicle. Included is a set of two nuts and bolts to connect the cradle to any RAM components or mounts that contain the universal AMPs hole pattern.
hardware included
(2) #8-32 x 1/2" Machine Screws
(2) #8-32 x 5/8" Machine Screws
(2) #8-32 x 3/4" Machine Screws
(2) #8-32 Nylock Nuts
hole pattern
2-Hole AMPS: 1.912"
materials
High strength composite
packaging type
Poly Bag
Weight
0.08 kg