Depends a little bit on the gauge, how careful you are injecting, and how protected they are where you store them. I guess I get a few days out of each of mine with the main problem being that the numbers/lines wear off.
Depends a little bit on the gauge, how careful you are injecting, and how protected they are where you store them. I guess I get a few days out of each of mine with the main problem being that the numbers/lines wear off.