Available in both 925 Sterling Silver or 14K Gold Vermeil over 925 Sterling Silver Hypoallergenic and antimicrobial Nickel-free and lead-free Boma 925 hallmark is located on the earring post 2mm. Code: EA 65, dimensions: approx. 1/16" diameter 2.5mm.Code: EA 64, dimensions: approx. 1/8" diameter 3mm. Code: EA(G) 60, dimensions: approx. 1/8" depth x 1/8" width 4mm. Code: EA(G) 61, dimensions : approx. 1/5" width x 1/5" height Delicate and timeless mini ball earring studs Because small can be a statement, too. These essential mini ball studs are crafted in 100% recycled Sterling Silver or Sterling Silver in 14K Gold Vermeil. Perfect for a second or third piercing, and will pair nicely with other jewelry styles. A great essential for mixing and matching, and comfy enough to sleep in.