This hanging wire is, just drill a hole and insert the expansion tube, then insert the screw into the fastener and screw it into the tube, thread the lamp wires and pull with the screws tight Great for moving of a pendant light in relation to the ceiling rose or for hanging a cable on the ceiling Easily fix wires to the ceiling with the wire hanging plate clip ' s secure grip This ceiling mount can be used on most wall or ceilings, making your wall neat and organized for PVC light cables, textile cables, pendant cables, lighting This cable holder is make of and Iron, enduring and not easy to deform