Door Lock Barrel,Lock cylinders, 1Pcs Pure Copper Anti - Theft Door Lock Core 65 70 80 90 115mm Brass Cylinder with AB Key Anti-Theft Lock (Color : 90mm 40and50) (Color : 90mmp 37.5and52.5)

AB lock is a special new type of anti-theft lock designed with the theme of master safety.1. A key is provided for house decoration workers.2. B key is encapsulated in plastic package. Before the house is decorated and finished, the owner should not try to open it with A key, so as not to cause unnecessary trouble.3. After the decoration of the house is completed, the owner accepts it for the sake of completeness. Take back the B key in time, and then insert the A key into the lock core to rotate 360 degrees, the A key will automatically fail.NOTE:1.Brass Cylinder with 2A keys and 6B keys , AB key (A Is The Temporary Key, B Is The Master Key When The B Key Is Inserted, The A Key Is Invalid)2.Manual measurement has some errors, The specific object is quasi.3.Not equipped with fixed screws, please use the screw of original lock.

• These door locks feature four hardened steel anti-drill pins on each side. All moving pins are made from nickel plated hardened steel with a minimum ultimate durability that will keep intruders from gaining access with additional tools.
• The high-quality cylinder features anti-pick, anti-drill, without costly handle upgrades or extra security devices with this door lock barrel. to give you peace.
• These door locks are suitable for all door types including wooden, metal, UPVC, patio door lock, composite doors. They can be used as replacement locks or where new installation is required.
• The cylinder lock features an anti-pick design with a minimum of three anti-pick pins in each side, making it extremely difficult for common burglars to pick the lock. and anti-bump protection to give you peace of mind and proper home security.
• Smooth surface, bright color, and good anti-theft performance