Feature(may vary by option.)

●Not Applicable: This helmet hasteners does not fit for 3M Adflo, Speedglas 9100fx, Miller Infinity series, Lincoln K2800-1.
●Female Cover head inside designed with a circular groove, come with one Silicone Washer(flexible&durable), perfect match male screw and your helmet, stay tight and never worry about flying-out.
●Body & knob made from light weight 6061-t6 aluminum. Item surface was anodized to create an glossy film which wont grow dark during long-time using. Knurled surface design, easy to twist in, and not easy to slide.
●Our fasteners fit for flip hood and replace easily damaged plastic fasteners. Fit for Fibre Metal 2090 with 3C headgear too.
●Please note that 3mirrors Brand products are Original Design with High Quality, Designed to provide the best for welders. Any questions, please contact us for help.

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Description