Master Freemason ring – Top quality silver tone Tungsten Masonic ring with Triple Tau Royal Arch Symbol inside of a triangle. Material: Laser etched Carbide Tungsten approx. 9mm. Scratch proof! Comfort Fit Band. It is lead free and nickel free! It is so good at resisting fade, rust, and corrosion, that it is used in architecture as well as in marine environments. It doesn’t even require any maintenance to keep it looking new. Shopping Tip: To order similar style rings in different sizes, select the desired ring size and then click “add to cart.” Choose another size and click “add to cart” again.