They fit the display and fit very well except the side barbs that help secure them can protrude a bit further than some of the holes I've used them in are slightly larger in diameter than others.
Caplugs Plastic Square Tubing Protective End Caps
3 Review
Square Tubing 14 20 Thinner Plastic
π§Ό Efficient Cleaning with Canplas 193064 Flush Cleanout - 4 Inch Diameter
9 Review
Snug Plug: The Ultimate Solution for Loose Outlets
πͺ Enhance Stability and Aesthetics with Alamic Corner Stainless Bracket Braces
Stainless Steel Bracket Shelves: Industrial Hanging Hardware
8 Review
π© N100 792 National Hardware Plated Holder
π§ Inch Stainless Steel Brackets - Includes 80 Brackets