Your wishes come true in this barbell and horseshoe cartilage earring set. Switch up your stack with fun shapes—moon, star, and spiked horseshoe. Made in surgical-grade stainless steel with yellow ion plating. Gauge: 16 Tube Length: 5/16" Height x Width: Moon 5.5 x 3 mm; Star 5 x 5 mm; Spike Horseshoe 12 x 12 mm Fits cartilage piercings: helix, forward helix, tragus, conch and flat.