Feature: 1. SPECIAL KEY: The sliding door security lock is equipped with two hexagonal keys, which cannot be replaced by ordinary objects, thus avoiding the inconvenience that ordinary objects can open and close. 2. SAFETY PROTECTION: The sliding door window lock prevents children from climbing out of the window, prevents falls and prevents thieves from opening the window to steal. 3. APPLICABLE OBJECTS: The window security lock is applicable to the limit of sliding doors and windows, applicable to aluminum alloy windows and plastic steel windows, ventilation and anti-theft. 4. NON-SLIP: The sliding glass window lock has premium stainless steel shell (brushed treatment) and upgraded non-slip rubber pad, non-slip and durable, safer and more stable. 5. Strong adhesion: Window locks use special stainless steel and rubber fixed anti-slip sleeve, non-slip sleeve and the lock body with special adhesion to dehydration, to ensure that extrusion and exposure to high temperature do not fall. Specification: Item Type: Window Locks Material: Stainless Steel, Rubber Type: Security Lock Usage: Aluminum Alloy Window, Plastic Steel Window Product Size: Approx. 68x35x31mm / 2.7x1.4x1.2in Gross Weight: 141g/5.0oz Scope of Application: Moving Distance: Maximum Distance 50mm/2in, Minimum Distance 10mm/0.4in Package List: 1 x Window Locks 2 x Keys Note: All the data is measured manually, and there are certain errors in the measurement results.