The 3M™ Speedglas™ Replacement Spring Mechanism is a replaceable spare part for the 3M™ Speedglas™ Welding Helmet 9100 FX and 3M™ Speedglas™ Welding Helme 9100 FX-Air.
The 3M™ Speedglas™ Replacement Spring Mechanism is utilized in the flip-up portion of the helmet. This 3M™ replacement part is easy to install and helps extend the life of your weliding helmet.