QWORK Storage Rack Caster Wheels, 4 Pack 3" Heavy Duty 500 lb. Max Total Capacity Storage Shelf Accessories, Fit for Boltless Self Locking Shelving Racks

These are the best casters I found for using on storage shelves with the right angle metal legs. Not a perfect fit as far as matching up holes, but I just needed to drill a couple of fresh holes and use some washers to make everything fit nice & snug. This isn’t an issue unique to these casters though. (Would be nice if all shelf makers made it easier to add wheels since it’s a huge convenience for customers, especially with big shelves that are hard to move.) These are actually a life saver and the best casters I’ve found for heavy duty metal shelving with right angle legs. With 1000 lb max capacity I’m not worried about stressing out the casters with what’s on my shelves. They are not cheap, but what truly heavy duty casters are? Buying the 8 pack provides some savings over a 4 pack and is worthwhile if you have multiple shelves you want to add wheels to.

This definitely beats removing everything off my shelves and dragging/scraping them across the floor. Works well the rivet style shelves, casters seem very nice and heavy duty. I mostly keep motorcycle parts on my shelves, some heavier than others, but probably not close to the "500 lb" limit. There are no instructions so here's a little advice. 1. Make sure all the shelf rivets are clicked down. The whole shelf seemed wobbly until I realized when I moved the shelf to put the casters that a few of the shelves were twisting the everything making it uneven. 2. Put the bottom shelf in before installing the caster hardware otherwise you can't get it in. 3. Might be unnecessary, but they only give you 1 washer for each bolt which. I added a washer on each side just to increase the surface area being held. Overall I'm very happy with these. Each wheel has a lock which seems to function just fine. Another added benefit is I originally had the bottom shelf 2 notches up just so it was off the floor, now so it did open a little more space on the shelves. Ordered 2 more sets for my other shelves.

Needed to drill some holes into racking to match bolt area for wheels but works great!

Heavy duty wheels for a heavy duty rack. These wheels made it easy to move the big rack in the corner of my garage that I previously could barely lift the end. Although there were no instructions included, it was easy enough to figure out how to attach the wheels to the rack. It's nice that you can lock the wheels to prevent the rack form being accidentally moved. If you have one of those heavy duty racks and want to be able to move it while fully loaded, these wheels are a great solution. Please unload the rack first so you don't have it tip and kill you. :) And the price was quite reasonable. Highly recommended!

Easy to install. Big difference in being able to move my racks around. Better for keeping the area clean.