It was a waste of money. Some of the metal parts of the anchors literally flew and fell apart when I tried to drive them into the wall (see my photo) and others that I could put into the wall wouldn't open and either the screw wouldn't penetrate, or it fully entered but did not open the switch (see other picture). What a waste of money and my time. Don't buy them - they are absolute rubbish. I would like to send them back and get my money back but half of the package was broken and/or broken and had to be disposed of.