When locked it is firm, when unlocked it's a breeze to move on concrete floor. They are great and roll along just fine on the smooth concrete inside and on the brushed rough concrete in the driveway. Esta muy bueno.

The best part is they can stay installed because the tub actually sits on the concrete when these are retracted. The quality of materials are good except for the aluminum wood screws that came in the box. But it’s great that they are supplied as they ...  Read More

It comes with a drill guide, erich is nice. Instructions aren't great but you'll figure it out. Use template and pre drill holes. Some notes on the instructions.

Snug everything up so the lever & wheel fittings move smoothly. Double check the vertical position of the bracket from the floor before installing.

Very saggy and just don't do the job. Paint on the provided parts also scratches/flakes easily. All four assemblies are being boxed up and returned to amazon for a full full refund.

The stamped steel is about the same as my lighter duty set but the pivot bolts are only 1/4-20 bolts. The stamped metal mounting brackets have sides bent in two planes, to fit a narrower flip lever. When you engage the lift lever, unless the wheel is ...  Read More