fuel line to carb question

Hmmmm, you’re gonna need to provide a few more details.
Without details, how about going 1” and getting it at Pep Boys?

So what year and engine does your car have now? What carb does your car have now? What is the size of the metal line that your car has now? Or is it rubber all the way back to the gas tank?
this is on a 73 318.. i bought The Right Stuff brand steel line in link above to replace my rubber line from the fuel pump to the carb... the hard line will screw right onto my stock fuel pump, but it needs some kind of adapter to screw into side of my edelbrock 1405