Cool titanium earrings made from brass. These earrings are made with a ASTM F-136 titanium clasp and feature a zig-zag design. They are available in size 18G, which measures 65mm x 55mm. Brass has been used because it is durable and does not require any maintenance if taken care of properly; however, it can oxidize when exposed to extreme conditions such as moisture or wetness for an extended period of time.