The threadless forte cz end is made from high polish implant grade titanium (ASTM F136 6AI-4V ELI) by NeoMetal Body Jewelry. It has a 25g pin that is compatible with most threadless jewelry brands. Choose your size and cz color below. NEO-XFORTE18-1.5height: 4.3mm, width: 4.3mm, depth: 1.1mm4x 1.5mm CZs NEO-XFORTE18-2height: 5.6mm, width: 5.6mm, depth: 1.3mm4x 2mm CZs You'll receive the end only. NeoMetal barbells are sold separately. These might not be compatible with threadless parts from a different maker.