This extension can be used with any of the Enduro modular arms. It will add 3.75" inches to the total length of the arm.
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The extension works great. Very solid.
Solid and durable. Very satisfied
It works perfectly to make the tablet little taller and easier for use
Should have bought this the first time around with my original GoPro Headrest mount.
Good quality. Needed it for an extension, works great. Solid quality!