Hi-Tech Ceramic rings takes all the good characteristics from tungsten rings and titanium rings and combines them together which makes one tough, durable, light, and scratch resistance ring. Hi-Tech ceramic rings are created through new technologies by combining tough metals like ziconium and yittra. Hi-tech ceramic rings are hypoallergenic meaning they contain no cobalt, and is greatly resistant to breaking down. Hi- tech ceramic is used to craft military vehicles and commercial jets.