The elbow hinge allows beams to pivot on the edge of the profile with about 180 degrees of rotation. In other words, at fully-closed the two beams will be parallel to each other. The bushing that connects the joint works with a 3mm OD shaft if you want to run a shaft through several joints.
We are selling these as single joints so you'll need two of these to make a full elbow (one per side).
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