Home security door handle outside is a fixed, from the outside with a key to open, use a lot of effort to open the door, sometimes hard to break the key to the key. How is this going? Lock cylinder just change soon. There can be door handle to double live, ask the next single change to double live in addition to re-purchase, the original can change their own hands, especially that insert the lock body and handle the iron on how to change? There are several pairs of old living a few pairs of living together, replaced by double live, the safety factor how? More
Double live unsafe, open the door to open the upper and lower insurance to remove the oil
Not necessarily have nothing to do with the lock cylinder, it may also have a relationship with the door, you buy the door keyhole did not rush, or the door gap is not very good, or a little sagging door, or the cylinder is very good to open. You can change a pair of double-sided activities of the handle. Install the handle of the time, more debugging about to see where the problem, the key in the middle of that root pole, with the outside only pull the hands, the other is no difference with the normal.
You can change the double live. Double live safety. Actually safe at the level with the lock cylinder. Out of the lock is a very safe. With the key to open very strenuous, that your lock is a problem, need to repair, not to change the double live can be resolved.
