...
https://www.mcmaster.com/#1265K44
https://www.mcmaster.com/#1265K64
...
...
https://www.adafruit.com/product/1956?gclid=EAIaIQobChMI4Om577ay2gIVF57ACh3ziQpqEAQYBCABEgJft_D_BwE
...
https://8020.net/3030-lite.html
24 in bar, 1 bar
...
...
https://www.mcmaster.com/#1265K44
https://www.mcmaster.com/#1265K64
...
...
https://www.adafruit.com/product/1956?gclid=EAIaIQobChMI4Om577ay2gIVF57ACh3ziQpqEAQYBCABEgJft_D_BwE
...
https://8020.net/3030-lite.html
24 in bar, 1 bar
...