Uxcell M10 Thread 30mm Length Sleeve Stud Rod Adapters Pipe Connectors Hex Coupling Nuts 15 Pack

What is this? Good hardware for connecting threaded pipes or threaded connectors together. Common accessories that are used on extending the screws or bolts. Suitable for installing chandeliers floor lamps table lamps and various DIY lighting fixtures with M10 thread. Are there any advantages of the product? Made of iron material surface zinc plated with good strength and corrosion resistance. Two M10 thread holes on the bottom are easy to tighten or loosen. How to use it? M10 thread easy to screw into threaded screws or bolts. What should I notice? Please check the thread size before buying.