2PCS Screw Hollow M10*1mm Tooth Rod Double Heads Threaded Tube Lamp Fixed Connecting Support Rod 100-300mm Lighiting Accessories Product: M10 double-heads enamel rod Material: Iron Color: White, Black Finish: Painting Size: M10*1 pitch Length: 10-30cm Usage: For desk lam, floor lamp, wall lamp, etcOuter Diameter: 10mmInner Diameter: 6 Screw: M10Pitch: 1: IronFeatures : One end of the dental tube length is 6mm, the other end of the dental tube length is 10mmInclude: 2pcs * double side outer M10 Hollow Tube