2Inch (50mm) Square Plastic Hole Plugs Insert (20 Pack), Heavy Duty Black Hardware Plugs and Unistrut End Caps for Square Tubing, Glide Insert for Pipe Post, Chairs and Furniture by Prescott Plastics

They fit better than the originals. Very snug.

Nice

Super easy install!

These plugs work just as they are advertised to work. Easy to use and we really like them.

Little stiff, but worked like a charm

Just what we needed to protect our carpeted floors.

We are using these for plugs in the bottom of pipe organ pipes. We drilled them to accept 1/2 brass nipples and the plastic held tight without cracking.

I bought these for the legs on my grooming table. They it perfectly and sealed the legs from getting any water in if I wash it.

The caps arrived quickly. They were a little tight for my 1.5 x 1.5 steel tubing (1/8 thick). I filed down the ribs on two sides of the cap and they fit much better. There is some variability in steel tubing, so a little modification isnt unexpected. Overall, good product and it gives my project a more finished look.

They fit better than what we originally had.