This listing is for one piece 3.6 mm outside diameter solid yellow gold round split jump ring , also you can use it as charm attacher.
Size:  3.6 mm outside diameter.
Weight:  .05 gram each.
14k solid yellow gold wire thickness:  .46 mm.
Picture are
engaged,  3.6 mm is tiny; Bigger size 4.9 mm, 6.5 mm, 8 mm 14k solid gold split rings are listed.
Free shipping within US.  Buy and enjoy!