1.OD14mmXID5mmXL290mm metal tube with M1/8"X27 screw, 2.OD12mmXID6mmXL200mm gooseneck tube mounted on the OD14 metal tube, 3.At the end of the OD12mm gooseneck tube fixed with M1/8"X27 screw male fittings. 4.The gooseneck tube end can support 0.6KG weight at horizon level. 5.Blue zincification surface dispose made the part beautifully and guarantee would never be rust. 6.We can revise the design according to client request