1.Look at the "teeth" of the key. The more teeth, the deeper the teeth, the more complex the arrangement, the greater the difficulty of opening, and the better the anti-theft performance. 2. Weigh the lock by weight, and compare the weight to the lock cylinder. The heavier the weight, the better t Read More

Spherical door locks are the most common type of door locks used in many families today. Door locks will cause certain damage during use. The daily maintenance of spherical door locks is particularly important. So, how to do the daily maintenance of spherical door locks? Degol goes with you to find Read More