Adjustable 3D printer wire holder, can be adjusted in width and length. To adjust its length, unscrew the two nuts and widen or tighten the two bases and then screw the nuts back on. To adjust its length, simply detach the bearings with their support and place it on two other pins further forward or further back. The bearings must have an internal hole diam. 6mm, diam. external 30mm and thickness 10mm.
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