I'd like to know which size is standard ?
Especially regarding to car radiators tubing. I was tempted by 1/2 tubing but every radiators on Danger den is 3/8", is that the most commonly used?
Especially regarding to car radiators tubing. I was tempted by 1/2 tubing but every radiators on Danger den is 3/8", is that the most commonly used?
