14Kt Yellow Gold Threadless with CZ Cupcake Top is made of solid 14kt nickel-free Yellow Gold with durable 316LVM ASTM F-138 Implant Grade Steel Pin designed to be practical and easy to use. Fits all sizes of pins and bases in our threadless body jewelry line. Pin Gauge: 25g What’s better than a cupcake? A 14kt gold cupcake adorned with clear cubic zirconias, in the form of a threadless top. You never run out of this kind of cupcake and it’s an eye-catching delight.