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