Channel earring blanks are perfect whether you are using the epoxy clay method or the traditional glue and grout method.
Silver overlay blank. Ear wires are surgical steel.
Approx. Measurements: 12mm long, 8mm wide, 4mm channel.
(Photo inset shown as an example only. Made with Circle Channel Post Earring in Silver Overlay, Black Apoxie Sculpt and assorted embellishments.)