Include : 1 pair of studs earrings & gold-backs(select option) / black paper package
Material : 10K solid Gold (not plating)
nut measures approx. 3.5 x 4 mm
Spanner Wrench measures approx. 7 x 3 mm
Length / thickness of Post : 9 mm / 0.6 mm
diameter of backs : 3mm(solid gold backs) / 5.5mm(covered gold backs)