"14Kt Threadless With Multi-Clear Cz Star Shape 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.Gem Size: 1mm; Pin Size: 0.45mm X 4.7mm., Dimension: 5.2mm (L) X 5.2mm (W) X 1.2mm (Thk) Sparkling Like The Stars In The Sky, This 14K Gold Threadless Top Is Covered In Clear Cubic Zirconia For An Ideal Piece To Use In An Ear Project Or Other Piercings. Compatible With Any Threadless Invictus Bar Or Base In Any Gauge. To Secure Inside Bar Or Base, Add A Slight Bend To The Pin By Simply Inserting The Pin Halfway And Pushing The Top To One Side."