"The Gear'' industrial necklace is part of the Mile High Rock Star Collection made in the USA. These limited edition, handcrafted industrial mod necklaces were created by Plane Pieces Inc. from parts of airplanes that have been at altitudes of a mile and more. Each of these necklaces has flown at minimum altitudes of 10,000 feet. The sexy necklace in steel and aluminum comes with customizable features, such as a 24" stainless steel ball chain that can be cut to your preferred length and choice between various colors or the materials' raw state. The handcrafted necklace can be worn in two different ways. Each piece measures 1" in diameter and _" in thickness. Shipping costs are $5 within the USA and $12 outside of the USA.