Check the listing for details. Eye Nut 220lbs Max Load M10 Female Loop Copper Ring for Hanging, 46x39mm 2pcs. Condition: New. Listed at 16.05 USD. What is this?These eye nuts can fasten and hold the ceiling lamp. Suitable for kinds of chandeliers like crystal light, candelabra LED light, traditional hanging lamps, and so on. Widely used on your home, lounges, halls, dining rooms areas.What will I get?Material: CopperEye Nut Inner Hole Size: 23mmx25mm / 0.91"x0.98" (L*W)Eye Nut Max Load: 220 lbsEye Nut Total Size: 46x39mm / 1.65"x1.29"(L*W)Thread Size: M10*1mmPackage Content: 2 x Eye NutAre there any advantages of the product?Crafted from copper material for superior corrosion resistance, electricity conductivity and thermal conductivity. Good for maintaining structural integrity under loads while ensuring a sleek finish.How to use it?Screw the eye nut into the lamp/chandelier’s ceiling mounting point with M10 thread.