DUO ER Zinc Alloy Durable Mechanical Sliding Door Lock Home Security Anti-Theft Jimmy-Proof Lock Half/Full/Reverse/Full Open Functions (Color : Right Open)

1. Quality zinc alloy material makes it firm, corrosion resistant and durable to use. Suitable for single door, sliding door and double door with thickness of 1.4-2.8in. 2. Double claw vertical insertion structure, which can't be pried outside the door. 3. The lock core adopts the shape of "S" groove or crossed groove, which can prevent other keys or foreign bodies from opening. 4. With internal and external cylinder, which can prevent theft, pry, saw and unload. 5. The lock has the functions of half lock, full lock, reverse lock and full open, safer and more practical to use.