collar hook: 1.Material:brass 2.MOQ:5000SETS 3.Size:partA10*8mm,partB9*8mm 4.high ... friendly ( nickel-free,azo-free lead-free and under needle test)7.Main Markets: North American,North America,South America,Eastern Europe,Southeast Asia,Eastern Asia,Weatern ... is welcomed. With the spirit of "pragmatic innovation, integrity and refinement" and "customer first, quality-oriented" as our purpose, we will ...