タイトルまたは説明

Tungsten has the highest melting point and lowest vapour pressure of all metals, and at temperatures over ***0°C has the highest tensile strength. It has excellent corrosion resistance second only to carbon (diamonds). FERI polished Tungsten rings are unique with deep luster from within. They have a refreshingly contemporary style to the classic ring and they are backed with a lifetime Warranty. Tungsten carbide’s flawless features and indestructible nature will create an everlasting bond between you and your partner