When it comes to finding the smoothest ratchet, there are a few things that you will want to take into consideration. The first is the size of the teeth on the ratchet. You will want to make sure that the teeth are small enough so that they do not catch on anything as you are trying to ratchet something down. The second thing to consider is the material that the ratchet is made out of. You will want to make sure that it is a smooth material so that it does not cause any damage to whatever you are working on.