Mt. Hood Tungsten Ring Tungsten made. Tungsten is one of the hardest and most durable metals -- up to 10 times harder than 18k gold. Its extreme density makes it impossible to bend or scratch -- perfect for a stylish, yet rugged outdoor lifestyle. Laser engraved. The engraving on this ring is 100% permanent, deep, crisp, and will never wear or fade away. Long-lasting design. No inks or paints are used, so they'll last, even while climbing your favorite mountain! Lifetime warranty. If it…