Hinge Mechanism, 197144 is designed for 3M™ Speedglas™ Welding Helmet 9100 FX and 9100 FX-Air. Our spare part replaces worn or damaged hinge mechanisms and comes as a pack of two.

• Replaces worn or damaged hinge mechanisms
• For use with 3M™ Speedglas™ Welding Helmet 9100 FX or 9100 FX-Air
• Ensures you get the correct level of comfort and protection
• Check your equipment regularly to increase service life
• 2 per pack