5mm - Flat back (Internally threaded) - Single earring
6.5mm - Flat back (Internally threaded) - Single earring
8mm - Flat back (Internally threaded) - Single earring
5mm - Ball back (Externally threaded) - Pair of earrings
6mm - Ball back (Externally threaded) - Pair of earrings
7mm - Ball back (Externally threaded) - Pair of earrings
8mm - Ball back (Externally threaded) - Pair of earrings