Hi,this is winnerhook tackle company, Our swivels made by brass, snap made by stainless steel. Nickel,Black-nickel and matt black color available,moq is 10000pcs each size. Production time about 15-25days.Select more terminal fishing accessories from our website. Don’t know how to contact us? Please,search “winnerhook” by Google,you can find our contact info from our website,and then send your request by email.