They have those made out of stamped metal, just loosen the screws slip it in and tighten them back down.We used those extensively to distribute 5 and 24 volts throughout our studios for relay control. You just need to jumper all the terminals on one side to make a common rail.
They have those made out of stamped metal, just loosen the screws slip it in and tighten them back down.
Lots of good stuff here:
https://ceautoelectricsupply.com