RAM® Knob, Bolt & Spring Hardware for C Size Socket Arms
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.


Special Order Item. Please contact our sales team for availability.
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The RAM-2-1U is a set of replacement hardware for one of our medium or long length C size arms.
hardware included
(1) 5/16"-18 x 2.5" Hex Bolt
(1) 2.15" Spring
(1) 5/16" Stainless Steel Washer
(1) .77" Nylon Washer
(1) 5/16"-18 Knob
materials
Knob: Brass nut with molded high strength composite
packaging type
Poly Bag
Weight
0.077 kg