1,Gooseneck 2,OD2-30mm,any length 3,strong holding,no rebound 4,high flexiblity,bend no noise 5,ISO9001 Specifications Brand Shuangcheng GooseneckMaterial Spring wires & galvanized iron wire & Stainless SteelOD From 2mm-30mmLength CustomizedThreads M8/M10/customizedSurface Silver plating,chromeplate,electrophoresis,baking finish etc.Colour Silver or black or colorizedPacking Plastic bag and ...