... perfect bending and strong holding ability black flexible metal tube for lamp-----Xiongda Metal gooseneck offers a large select of flexible ... ,and crockneck tubing. We also manufacture gooseneck machine lights for a variety of applications include; gooseneck lights,support mounts, ... earth lamp, medical equipment, USB lamp, USB, bracket , hose for lamp accessorizes series,etc.7 OD2.0mm-22mm, length 50mm ...