Star Wars: Petite 3D Darth Vader Helmet Fashion Ring 316 Stainless Steel IP Black, Bin 55 Features an Ionic Plated Petite 3D helmet of Darth Vader. The ring measures approx. 12mm high across the face of the helmet and 3mm wide at the shank. Made with solid 316 Stainless Steel IP Black. All of our Star Wars products are authentic and officially licensed by Disney and Lucasfilm Ltd.