Sterling Silver U-Threader Earring Components w/3mm Open Ring - Box Chain - ebay 2 pair 4 pieces
Sterling Silver French Hook Earwires, "flattened", with ball. Piece measures approximately 19.25mm from very top to bottom of tail (making them just a tad smaller than the Coil & Ball earwires).
Sold in packs of 20 (10 pair)