Measurements: Ball diameter: .078" (2mm) Length (from the top of the curve to the tip of the wire in the back) .748" (19mm). Length (from the top of the curve to the bottom of the loop in the front) .472" (12mm). Wire is 20 gauge.
These are perfect for projects! I have also purchased a pair for my own personal use and can wear them all day! I have a nickel allergy and have to wear sterling silver and these never affect me. Wonderful item, great price!!