I did without for years, then one afternoon I had to put in 30 to hang a load of floating shelves. I bought the kit after that.
Some people worry about getting them out if you're done using them. I've found they're pretty easy to remove. Just wind the screw out an inch and tap it with a hammer, the umbrella should straighten out and you can pull it out with pliers.
That’s one thing I never have to worry about is removing them, although I have had a couple radiators just fall off the wall with them but always turns out someone sat on it
I did without for years, then one afternoon I had to put in 30 to hang a load of floating shelves. I bought the kit after that.
Some people worry about getting them out if you're done using them. I've found they're pretty easy to remove. Just wind the screw out an inch and tap it with a hammer, the umbrella should straighten out and you can pull it out with pliers.