collar hook: 1.Material:brass 2.MOQ:5000SETS 3.Size: ... 4.high quality & competitive price garment accessory- sewing collar hook &hook and bar:1.Material:Iron,Brass,Stainless steel2.Style:more ... nickel-free,azo-free lead-free and under needle test)7.Main Markets: North American,North America,South America,Eastern Europe ... companies to order 10# sewing nickle color brass collar hook & eye two part=one set