... rhinestone,flat back crystal for nail , 2.crystal quality, top quality in China 3.best service with best price flat ... hairclip, car decoration, tatoo and all other DIY use 2.Process: use the rhinestone applicator to put thestone on ... 1.9mm, ss6: 1.9-2.1mm, ss8: 2.3-2.5mm,ss10: 2.7-2.3.0mmss12:3.0-3.2mm, ss16:3.8-4.0mm,ss20: 4. ... youu flat back rhinestone DIY nailart decoration crystal ss12 3.2mm emerald