Bench Overview: Quick look at Harbor Freight Manual Tire Changer Part 2: How To secure it to the floor. in the shop.

I was going to skip this video but by request, this is how I went about installing it in the garage floor. I used 4 drop anchors to mount it so that when I wasn't using it I wouldn't be stuck with 4 studs sticking up though the garage floor. It worked really well, but I did get one of the holes offset a bit. I ended up wallowing out the hole on the tire changer to fix that issue.
You can get them here: https://amzn.to/4dhlcgY