This stunning set of cuff links is sure to make a powerful statement. Made from recycled bullet casings soldered onto brass base and set with clear crystals. Antique Brass. Calibers used are 9mm, 357, or 40 cal. All of the bullet casings are gathered from shooting ranges. None of them were used to hunt animals, commit crimes, settle scores, etc. This Desinger aims to glamorize recycling, not violence.