I have loaded this rack with dumbbell pairs of 10 lbs to 50 lbs and the support strength is very good. There is also a little room remaining on each tier, as expected. But I am a little disappointed in the way it supports the weights. Because the lip on the rail is large, the smaller weights rest on their grip and not on the rubber. This affects sizes up to 25 lb rubberized hex dumbbells made by Cap. If you flip the rails so that they support the weights only the bottom edge, the slotted mounting holes do not allow for enough separation of the rails (i.e. the dumbbells could almost 'fall through' if not placed carefully).

Very sturdy rack...poor instructions...but you can figure it out anyway from the pictures. Takes metric wrenches to bolt together...they don't mention that anywhere in the instructions what sizes are needed. Holds all my sets of dumbbells from 10 to 65 lbs...they were laying on the floor taking up space but are now easily racked and stacked. Be careful when building it as the edges of the angle iron are sharp and can gouge you...

Great product.

It was easy to install and feels solid. I have 5 to 50 pound dumbbell sets on it currently. Thinking of adding a set of 55's and 60's. I have no reason to believe it won't support the extra 230lbs.

Good weight rack. I currently have 2-95's, 2-50's, 2-45's, 2-40's, 2-35's and 2-20's on the rack with still room left. Handle the weight well so far