People's Jewelry Stone Captive Balls in 3mm and 4mm.
4mm stones are made for 14g (1.6mm)/12g (2mm) rings.
Boules captive en pierres de 3mm et 4mm de People’s Jewelry
Pierres de 4mm sont fabriqués pour des anneaux de 14g (1.6mm)/12g (2mm)