RB8 Cabernet Blue MammothThe Cabernet 'Blue Mammoth' is a mesmerizing rollerball pen featuring a barrel in 10,000 year old fossil Woolly Mammoth tooth, and a light structure in aerospace grade titanium and aluminum. The accents on the carbon fiber cap are in damascus and mokume gane; the pocket clip is set with a sapphire. This beautiful writing instrument also features William Henry's patent pending Wavelock cap closure system a ring of chromium steel balls embedded in a