Durable Iron MaterialMade of high quality iron, durable and not easy to deform, can be used for a long time. Black coated is classic and all-match, fit for all style home decorations. Transparent Adjustable ScrewComes with transparent adjustable screw, which is convenient for you to adjust fixing position and the tightness. Easy for UsingNo need for other tools, simply drill a hole and plug expansion tube in, then put the screw in the fastener and screw it into the tube, finally screw on the wire holder and fix the wire by tightening plastic screw. Wide ApplicationsThe pendant lighting hooks can be worked as swag hook on ceiling to position long wire for chandelier in a minimal way for create a unique chandelier style, they can also be used as a great solution for cord management, providing tidyand well-organized wall.