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