How to identify the lock is good or bad, what skills?
Side of the pit with the blessing of the security lock AB B is also the two sides with a pit, plus snake-shaped slot, C-level blade cylinder is a separate snake-shaped slot,
The key is to see the brand, now is the beautiful treasure, there are red shield, as well as Wanjia, dragon, elite, a lot of locks,
?? Lock body, then look at the weight, handle the same, look at his sheet thickness
One word lock is plain jagged key
Cross lock is a four-sided serrated ultra-B lock cylinder is the two sides with pit plus serpentine groove
Both sides with the pit is the AB key, ultra B lock cylinder is also the two sides with pit plus serpentine groove, C-level blade cylinder is a separate snake-shaped slot, the better is the import of German locks, a lock cylinder on more than a thousand ,
Lock the good or bad, and the heavy relationship between the lock, as well as her sheet metal, handle heavy, heavy lock body, as well as brand,
? And then there is the key, now upgrade super B lock cylinder, with the snake-like key, key and car keys,
