Create a unique piece of jewelry with our WoodRiver Comfort Ring Core Turning Kit made of high quality Ti-6Al-4V Titanium. Lightweight and durable, this titanium is used in the medical industry and for military and aerospace applications because of its strength and corrosion resistant properties. It is also biocompatible, so it will not cause an allergic reaction when it touches skin. Designed for both men and women and features a rounded interior profile that makes the ring unbelievably comfortable to wear all day, with no fear of pinching the skin. Kit requires turning blank, bit, pen mandrel, and bushings, all sold separately.