Quick fix but just fyi. Needed to replace a specific shelf - wanted to cover the holes from a prior shelf without patching them. They use standard keyhole and screw in the wall.

They work well enough for my intended purpose, with one exception. You get 4 sizes. They look great, feel very sturdy, and work perfectly.

They are a glossy brown, but whatever they are composed of is much less dense than wood. The weight capacity is only 2-3lbs for the small shelf and a bit more for the larger ones. I put 3 different levels on the shelf and each of them was reading zero...  Read More

My recommendation is don’t but this item. This product is a scam. Can't even return them. There was muttering.