[Material]: The chandelier hook is made of iron, with a high-quality electroplated galvanized finish for smoothness, rust resistance, corrosion resistance, stability, and durability. [Size]: Rectangular base plate measures 68 x 16 mm; two oval screw holes (15 x 6 mm each), spaced 46 mm apart; total height is 35 mm. [Load Capacity]: When properly installed into a ceiling joist or suitable structural support, the hook supports up to 8 kg (18 lbs). [Packaging]: Includes 3 iron galvanized ceiling lamp hooks, 6 screws, and 6 rubber plugs. [Usage]: Designed for mounting chandeliers, crystal lamps, ceiling fans, plant baskets, lanterns, bird cages, and other heavy ceiling-mounted items. [Product Details]: - Name: Heavy-Duty Screw-Mount Iron Galvanized Ceiling Hook Bracket - Material: Iron - Color: Silver - Weight: 21 g - Dimensions: - Total height: 35 mm (1.38 in) - Base plate: 68 x 16 mm (2.67 x 0.63 in) - Oval screw hole: 15 x 6 mm (0.59 x 0.24 in) - Distance between holes: 46 mm (1.81 in) - Hook thickness: 5.5 mm (0.22 in) [Installation Notes]: - This hook is intended for secure attachment to ceiling joists or other load-bearing structural elements. - Always ensure the ceiling structure itself can support the intended load. - Professional installation is recommended.