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

These fit perfectly in my square tubing of my carport.

Finally fixed key bar stools

Perfect just what I ordered.

Work great with applications

Works good . Made my fixture look legit

Received what I expected quickly at a very good price.

Works as advertised

A bit pricey but they worked and fit perfectly.

These plugs are good quality, and can be used for 1 tubing on some bicycle racks. When ordering be sure to CAREFULLY measure the size you need. Some racks take 1 while others that 1.25. I accidently ordered the wrong size and had to do a return/replacement.

Perfect fit for my old metal chaise loungers by the pool. Old ones had rusted out and I needed to protect my new pool deck. These fit perfect!