Enamel Tooth - Pink Crystal Post Earrings Silver Tone Tooth Pink Crystal Post Earrings. Charm size is approx. 0.77 x 0.48 x 0.12 inches (HxWxD) including loop. 3.3mm Crystal Earrings with steel posts. Earring backs are Bullet ''Clutch'' Style with Plastic Pad. Makes a great gift! Wonderful for dentists, dental hygienists, and tooth fairies.