High quality in EU and US quality standard ! Quantity: 2 pieces Weight: (approx)1g Material: Stainless Steel Diameter: (approx.) 6 / 8 / 10 /12mm Bead Size: (approx) 3mm, 1.2mm(16Ga)On Jan-03-18 at 02:39:09 PST, seller added the following information: