Spent Rounds Designs is jewelry made from fired shotgun shells. Inspired by women's passion and love for the outdoors and hunting, this jewelry speaks to the heart, mind and eye of those that live and breath the outdoor lifestyle. Simultaneously beautiful and unique. Add that little extra bling with the Spent Rounds 45 Caliber Single Post Silver Earrings with Clear Crystal Stone. Actual spent 45 Caliber shell with crystal center.