Door Cylinder Lock With Computer Keys Double Open Door Lock Cylinder
The lock cylinder is the core component of the lock. It is an important part of the lock opening and closing. The better the cylinder lock, the higher the anti-theft performance, the safer home life. Our cylinder can be divided into single, double open, one side with the key to close, one side with twisting, elliptical lock core, and sliding door lock core. Locking core material: all copper, copper gallbladder case, across zinc alloy. Key material: iron, brass. The length is also different, and the convention is 60 mm length.