Product Details1.Instruction: This Gooseneck is hollow, and a wire of a certain size can be passed through the tube. It can be bent into a certain shape you want and maintain its shape. The Gooseneck can be attached to the stands with threads.2.Advantage: 1. Easily bundled, suitable for a variety of areas of life and work products to meet your diverse needs. 2. Good flexibility and can be bent repeatedly; 3. Good corrosion resistance and high temperature resistance; 4. Resistant to pressure, bending, not easy to break, and can protect the internal wires from being damaged; 5. Strong bending resistance, tensile resistance and lateral pressure resistance; 6. The threads are soft and smooth, easy to thread, install and position.3.Size: Total Length : 600mm / 23.6 inch; Out Diameter: 8mm / 0.31 inch; Hexagon Width: 14*12mm / 0.55*0.