What is this?Hardware to screw into the threaded pipe. Widely used on lamp pipes for replacing, repairing pendant light in home and office, or making other DIY lamp projects.What will I get?Product Name: Hex NutColor: Silver ToneMaterial: Galvanized IronThread Size: 1/8 IP (1/8-27)Hex Width: 14mm / 0.55"Nut Size: 9mmx3mm / 0.35“x0.12" (Inner Dia.*Thickness)Package Content: 150 x Hex NutAre there any advantages of the product?Made of iron material, zinc coated, with good strength and rust resistance.How to use it?Easy to use, you can directly screw in a threaded pipe, no need for tools.What should  I notice?Please check the thread size before buying. (Fit standard lamp pipe measuring 3/8inch outside diameter)