Silver Tone 4,5,6,7,8,9,10mm Jet Black Square Shape Cubic Zirconia Magnetic Stud Earring (All Size) Silver Tone 4,5,6,7,8,9,10mm Jet Black Square Shape Cubic Zirconia Magnetic Stud Earring (All Size) Size: 4mm, 5mm, 6mm, 7mm, 8mm, 9mm, 10mm Type: Magnetic Stud Earring Surgical Steel No Piercing Required