I also have a Bend Pak. Before I bought it, did some shopping and watched vids. Backyard Buddy showed theirs with a car on it, being moved around on the floor with the dollies installed. I asked the company where I bought my BP from if the BP could do the same. They said yes. Had it put together, put the Coronet on, went to move it and rolled over two out of four dollies. The ones they give you only work with lift only, no car. I ended up making my own out of some heavy wall rectangle, some solid and long bolts to replace the pins. The only thing I reused from the junky ones was the casters. Hard phenolic material, rolls much easier the urethane on concrete. Now, with at least one more person, I can move the car around without issues. 1 1/4" x 1/4" strap for dollies is sketchy. I told the rep from BP at a recent SEMA show about that and she was embarrassed to hear it.