SPACECAREWorkbench Casters kit 600Lbs Heavy Duty Quick Release 2 Mounting Options Retractable Workbench Stepdown Caster Wheels Adjustable Polyurethane Durable Steel Construction (Set of 4)

The wheels come off, what a great idea. With a little ingenuity the wheels can be mounted on steel shelving units that weight a couple hundred pounds when filled. I built a wooden L shaped bar in the garage, a total of 18 feet around. I put one wheel in each corner and one in the middle. Only 2 of the 5 brackets are visible. I can push the bar with literally one finger. The wheels are super strong and solid to move things on.Almost everything in the garage is stored on wheels. I store the wheels in a box so you don’t lose an ankle. I can move everything in my garage to the other side in less than 30 minutes, with no assistance. Easy to move things around to make space for a project.

Right out out of the box I was impressed by the weight and build quality of these casters. I wanted to install them on the two legs of my Weber BBQ (that weighs 160 lbs.) to make easier to move around. Yes, the instructions tell you to mount them 1.4" (one point 4 inches) from the ground. For me that translated to 1-13/32" so that's what I used. I mounted one to a scrap 2x4 to make sure it would give me 3/4" lift when mounted according to the instructions. I opted to use the mounting bracket that allows for quick removal of the casters when not in use. Although I will leave them on most of the time, I will likely take them off and keep them in the garage when it rains in the winter. Overall, I am very happy with these casters. I just flip them down and they lift the BBQ up high enough to make it a breeze to roll around the concrete patio.

These casters are fine but you need to be aware of how the bracket for removable casters works. The set ships with two types of fasteners - wood screws (1/4” or 14s, can't tell) and M6 bolts. The wood screws are only intended for use if you are directly screwing the casters to your, um, whatever. The round head screws will not work with the removable bracket because they stand too proud for the caster to slide into the bracket. The black bolts included are meant for use with the bracket.The legs in my workbench are 100mm x 100mm, and the black bolts won't even go half way through. I want to be able to remove these casters so I don't kick them constantly, and I need to be able to screw the mounting brackets to the legs on my bench, so I figured I'd buy some flathead screws.That turned out to be a little more complicated than I thought it would be. I checked the head size on the M6 black bolts with my calipers. 0.406" diameter, 0.099 head hight. That's a pretty small and shallow head, and it needs to be shallow to sit as flush as possible with the mounting plate. Most flathead screws of size 12 or 14 have a larger diameter and deeper head.I searched the entire fastener catalogue of McMaster-Carr to find flathead screws that would work, and the sum total of options was 1. It's a wood to metal undercut flathead screw size 12, catalogue number 90420A763. It was $32.50 shipped for two 10-packs.So if you need to screw the mounting brackets to your item, be prepared to spend over $32.50 more.Otherwise they're fine. They're casters, they hold the weight, and I can take them off. Which I like.

Very good quality ,easy to mount and strong enough to move any machine around and good value.

Easy to assemble and install. Makes moving the cabinet super easy.

UPDATE: so when I pick up one side to move my desk through the sliding glass door, the wheels just fall under the feet of the desk. My plan is to fabricate 4 pieces of metal to bolt through the same holes as the bolt that holds everything together. The goal is to create a stop so that the wheel does not fall under the foot of my desk. I will update with a photo when I complete this part of the project. (My goal with all of this is to give the manufacturer ideas on product improvement, because I genuinely like the idea, I just want something better.While these were reasonably priced, Installation is not always easy. I bought angle steel at the local home depot, and some 1/4" bolts and nuts. I put 3 bolts in all but the one in the front of this shot (oversight to be corrected) Everything has a drop of red Loctite on it so I don't have to revisit any of this. If not screwing these into wood, use the machine screws that come with that have the counter sink head on them. 2 of these hold the bracket with the pin that makes for easy removal. The 1/4" bolts with the countersunk screw head stuck out too far and made it impossible to slide the wheels in. while this might not be a terrible solution for some, I DO want to take them off at some point.Regarding the wheels themselves. Everything kind of flops around, and while a better design would involve some type of spring system where the wheels don't flop under everything when picking up the desk and putting it down, that will require a design upgrade..Positives. The angle steel I bought is really heavy. I don't believe it is going anywhere. The bottom counter sunk screw for the bracket is bolted onto the leg, the second on the angle. everything is really tight, and I am excited to use the new wheels, roll the desk out onto my deck, and work OUTSIDE when I work from home! I shared a picture (before I cut off the long screw and paint the angle semi-matte black) so you can sort of see what I did.One screw that is not visible went into the bottom part of the leg. The bracket hangs below that leg but not quite touching the floor when the wheels are up or off.

Amazing versatility. On or off. Decent quality