earlier i referred to fuel injection clamps. this is one by Kohler, which is sold at autozone and advaced in packets of.. 4? I think, for 3/8 size. what you have appears to be fine for the application. Constant tension clamps can usually be found in hardware stores, certain non pressure plumbing and air applications use them but the ones from menards, in my experience, suck and dont work well. Harbor freight ones are a joke, too. The bulk pack at least. THere definitely is quality and not