What is this?This light tube kit includes the hollow threaded tube, locking nut, toothed washer, and flat washer, etc, which is perfect for replacing rusty old parts, repairing damaged lamps, or DIY lighting projects, suitable for chandeliers, ceiling lamps, table lamps, floor lamps, etc. It can be used for home repairs, professional electrical projects, etc.What will I get?Material: Carbon steelColor: SilverLamp Pipe Thread Size: 1/4IP(1/4-18);Lamp Pipe Thread Diameter: 1/2";Lamp Pipe Length: 20,30,40,50,100mm / 0.79,1.18,1.57,1.97,3.94 inchNut Size: 16.8 x 4mm / 0.66 x 0.16 inch (W * H)Flat Washer Size: 13 x 25mm/0.5 x 0.98inch (ID * OD)Tooth Washer Size: 13 x 21.5mm / 0.5 x 0.85inch (ID * OD)Packing List: 5 x Lamp Pipe, 10 x Tooth Washer, 10 x Nut, 10 x Flat WasherIs there any advantages of the product?The kit is made of durable carbon steel with a galvanized surface, which has strong corrosion resistance and durability and is durable. The nut is used to fix the light tube, and the flat washer can distribute the load of the threaded tube and make the surface smooth.The hollow threaded tube facilitates the passage of wires, making the light pole easily suitable for various lamp parts. The plug on the back can be installed on the hole to prevent the wire from fraying.How to use it?Please install the washer before screwing the nut onto the threaded tube.Insert the black plugs at both ends of the tube to protect the wires. The tube can be easily cut to the required length for custom installation.What should I notice? Please confirm the thread size before purchasing.