3M Speedglas Welding Helmet 9002NC (Next of 9100 Series) with Auto Darkening Lens

3M Speedglas Welding Helmet 9002NC, 04-0100-20NC, with Natural Color Technology Auto Darkening Filter for MMAW TIG MIG Welding Helmet, black/Silver. Lens powers on and is able to switch between sensitivities/ darkness levels/ delay time but does not dim when exposed to light or welding.

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