These earrings use antique silver crown charms, 14mm x 14mm that hang from silver-plated ball end stud posts.  The earrings are 0.5" long.  
 
All metal used is hypoallergenic, nickel-free, and is sterling silver, silver or gold-plated, or stainless steel unless noted otherwise. Every item is handcrafted, custom-made, nothing mass-produced..