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Frustrated needing to replace your hearing protection because of a small part you cannot get? I was, no you don't need to be. These should work on any 3M over the ear style hearing protection that uses 2mm rods to mount the yokes on to. I…
We had a set of these headphones where the clip was broken and the cup was constantly falling out. This was the fix. When installing these onto your headphones, be mindful that both attachment points are directional. The tube that the…
To work with the 3M WorkTunes, I had to heat up the knob to 170*F, press it onto the shaft, and let cool. Heating the knob and allowing it to cool on the shaft is what makes the splines on the shaft bite into the plastic. I did not try to…
If you have a 3M Worktunes that uses a two piece headband that looks broken like this: I made a one-piece FLEX design. Print with TPU. Printed 0.2mm STRUCTURAL, 2 perimeters, 10% infill, no supports. The slots have an overhang which…
