When you use our service to change a lock, our professional technician will come to your home or office to examine the lock. Find the problem and make suggestions that make sense. Whether your lock can be repaired, rekeyed, or changed. If you need to change your lock. Then, our technician will bring you a variety of locks to choose from, or you can buy a lock at the nearest hardware store. Once you’ve decided, our technician will take off the old locks from the door knobs. Then he’ll do a professional installation of your new locks. So, we suggest you get in touch with us right away for a free quote.