Check the listing for details. 10pcs Round Coupling Nut M10 to M6 Adapter Screw Thread Convert Sleeve Connector. Condition: New. Listed at 12.95 USD. What is this?The coupling nut can connect two threaded pipe with two different thread. It is a common light fixtures accessory for the repairing and restoring of ceiling lamps and chandeliers, or DIY making.What will I get?Material: Carbon Steel; Color: Silver; Thread Size: M6x1mm, M10x1mm; Sided Hole Thread Size: M4x0.7mm; Coupling Nut Size: 14x16mm / 0.55x0.63 Inch (Outer Diameter*Length); Package Content: 10pcs x Coupling NutAre there any advantages of the product?Made of carbon steel material, smooth surface, with good appearance, and durable to use.Easy to use, it can connect two pipes with two different threads together.How to use it?Easy to install, each coupling nut can connect two thread pipes on both end. Or you can use screw on it.What should I notice?Please note the thread size before buying.