black heavy flexible gooseneck,OD: 2.0mm-22mm Length: 100mm-1000mm, ... : 200pcs Western Union, Paypal, T/T, lead time: 3 days black heavy flexible metal gooseneckXiongda Metal gooseneck offers a large select ... .Materials: carbon steel5.Surface: plating zinc, nickel, chrome, bronze, plating black and others 6.Applications: reading lamp, earth lamp, medical equipment ...