What is this?Designed specifically for G4 bulb light sockets, these connectors are suitable for a wide range of G4 bulb light fixtures. Widely used on crystal lamps and halogen lamps.What will I get?Product Name: G4 lamp fixturesMaterial: MetalThread Size: M10x1mmFit for Bulb Socket Size: G4 Bulb SocketHex Nut Width: 14mm / 0.55"Lamp Pipe Length: 20mm / 0.79"Inner Diameter: 8mm / 0.32"G4 Socket Cap Size: 11.5x5mm / 0.45"x0.2"  (Length x Thickness)Package Content: 5 x Lamp Pipe, 5 x Hex Nuts, 5 x CapsAre there any advantages of the product?Metal material, durable to use. The lamp pipe is hollow, and the wires connected to the bulb socket can pass through it easily.The hex nuts and socket caps ensure a secure and stable connection between the lamp pipe nipple and the G4 bulb light socket.How to use it?Easy to use, plug the bulb socket into sockets directly, no need for using other tools. Each lamp pipe is equipped with nut and cap for easy installation.What should  I notice?Please note that G4 bulb socket is not included here. You need to the G4 bulb socket yourself.