... snap fastener: 1.Material:Brass 2.Two part in one set,8.5mm with 4holes 3.MOQ: ... sewing hidden snap fastener 1.Material: Brass2.Two part in one set 3.Size:Φ6mm,7mm,8.5mm,12mm ... 15mm,17mm,19mm,21mm with four holes or six holes4Finished color:silver, gold, nickel, anti-silver,Antique Brass,Black ... 11.We are a all-known manufacturer in hooks and bars/button in china. With the spirit of "pragmatic innovation ...