316L Surgical Steel Prong Set 4mm Square CZ Cartilage Earring.316L Surgical Steel Cartilage/Tragus Earring with 4mm Princess Cut Gem.Prong set princess cut cubic zirconia on one side with ball on the other side.Thickness : 16GA / 1.2mmLength : 1/4" / 6mmBall Size : 4 mm