... in brass & Iron material; 2)Different size:4mm,5mm,6mm,7.5mm,8mm,9mm,9.5mm,10mm; 3)High quality and Nickel Free ... ,5mm,6mm,7.5mm,8mm,9mm,9.5mm,10mm;3)High quality and Nickel Free.Rivet,Single/double face rivetNingbo Pasco Metalwork ... snap fasteners, alloy and plastic garments accessories. Rivet/reasonable price/high quality