Okay, that was an entirely normal question, which seemed really out of place. He moved around the corner to see an old guy standing there. He didn't look so scary.
Okay, Colin set the pipe down. He didn't want the guy to think he wanted to attack him or something. "Uh, wrenches?" he repeated, then looked around.
The explanation caught his attention. "What kind of a pipe an in which section?" This was important, since a leak could be more than just a loose joint.