Material: Titanium Bar Thickness: 6mm Bar Length: 4mm Ball Diameter: 12mm Features of titanium: In same volume, titanium is about 60% of the weight of stainless steel Non-magnetic and non-toxic Excellent corrosion resistance, will not rust ever Outstanding biocompatibility, will not cause allergic reactions Recognized as the best body piercing material The safe anodized coloring process principle gives the product more color choices, not only practical and more beautiful like your piercing jewelry or chastity jewelry. If you want anodized color, pls leave a note, for example: 65v gold. (Anodized color is our service, no need to charge any more) If this existing item doesn't fit you, you can custom one base on what you need.Check this link. https://www.bonanza.com/listings/Customize-Body-Jewelry-Piercing-Jewelry-Straight-Barbell-A-Style/1657391874