If you are annoyed enough, worth the money.
Tried those little spring over pin type ones that mount on the hinges on a steel garage entrance door. OK, but not great. Those require frequent lubrication and adjustment. Eventually, the springs break, because the ones I found did not feature top quality springs. To help them last longer, I used two on the door, but still no dice in the long run. There are definitely different quality springs, such as the ones in automobile engines that operate the valves. They cycle billions of times without failure. I got tired of changing and adjusting, so bought this unit. The advantage of this unit is it closes and latches the door from any position, even if you open the door just one inch. The negative is the closer puts up a little resistance to opening the door, so you have to push, pull a little more than you may be used to. After a while, you get used to it. Don't buy a cheap one (less than $30 or so), I looked and researched a bit, and the cheap ones almost universally got bad reviews. Good ones can go all the way into the $500.00 range, but you can find them for less (as I did). Once installed and properly adjusted, they require no maintenance.
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