🖤 VROOM VROOM! This Black Zirconium ring is an absolute showstopper! 🖤🔥 It's as sleek as a black tire and has got all the style revved up! 😍🏎️ Perfect for any auto enthusiast or anyone with a passion for unique jewelry. We are totally obsessed with its edgy design! 😎✨ Presenting this stunning Black Zirconium tire tread design ring. Choose US size 4 through size 15. Band measures approx 8mm wide. Durable and lightweight at 4 to 7 grams. Ring won't tarnish or change color. Very strong (stronger than Tungsten). Permanent shiny black color stays black.Marked "Black Zirconium" on inside band. Black Zirconium is 97% Zirconium (Zr), 2% Hafnium (Hf), an other trace elements. Zirconium is a silver-grey color itself, and after high-temperature firing, a black layer forms. Express your unique style with an exceptional ring that will turn heads.