I need to move a concrete planter weighing over 110kg (30 kg sand, 70 kg aggregates and 10 kg cement). Looked around to buy a dolly but the cheapest one that looks viable in size and load capacity costs around £40 or more. Bought these and attached them to a plank of wood. Here is the dolly that just works. Quality of the castors looks good. But the packaging is not. The cardboard box is ripped on one side, so is one of the plastic bags that holds washers. I think it was pure luck that none of the washers or bolts was lost.