I have never used a stabilization system on an extendable ladder so I cannot rate this product on that basis but I can say it is VERY poorly made. After 20 minutes of use on fairly soft vinyl siding, the cushions broke. I'm half considering returning this item, but I'm too lazy to do so at the moment (it's a hassle to return items from my location). For the money you're paying for these two lightweight aluminum tubes, they shouldn't have a problem for years. Very few products I buy only last 20 minutes.
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