US: Magnetic Stud 8mm to United Kingdom Size 12mm Statement Hoop

US: Magnetic Stud 8mm: Features a post thickness of 0 $\text{mm}$ (0 $\text{in}$), hoop inner diameter of 0 $\text{mm}$, gemstone carat equivalence of 1.00 ct Equivalent, and earring style Magnetic / Non-Pierced.

United Kingdom Size 12mm Statement Hoop: Features a post thickness of 1.2 $\text{mm}$ (0.0472 $\text{in}$), hoop inner diameter of 12 $\text{mm}$, gemstone carat equivalence of N/A (Hoop), and earring style Hoop / Bold Fit.