41-Thermal

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Unmatched and Legendary Lifetime Warranty. 41-Thermal is the 4130 chromoly manufacturing process that starts at the design stage, carries on throughout manufacturing, and is only completed when reaching the finishing steps. There are an endless amount of variables to fine tune, and every action along the way counts and matters. 41-Thermal products are backed by years of research and development, and they have always been fully supported by a lifetime warranty. Learn more about Stampy 41-Thermal tests Lab tested. Team Proven.