4 PESTILLOS DE VENTANA CORREDIZA DE ALUMINIO MARCO AJUSTABLE CERRADURA DE PUERTA CORREDIZA DE SEGURIDAD CON LLAVES EN ESPAÑA

Upgraded Double Glazed Locks - Double glazed locks can be applied to heavy doors or windows for added security. And it will be more sturdy, solid and sturdy, exquisite workmanship, aluminum alloy frame and stainless steel screws which can be reused for many times Quantity and size - double sliding window locks with 4 keys; apply to lane heights over 1.2cm / 0.47inch, lane thickness not over 1.6cm / 0.63inch (not applicable to middle lane) window, if please check your window track before purchasing)Easy to install - no need to install any additional tools, it has a hex key in each window lock, held by a key control on the track. Designed for horizontal/vertical windows and sliding glass doors; Not for plastic window frames Wide usage - can be easily applied to most environments; By keeping the windows partially open and closed, the burglars and thieves can prevent children from falling and protect the safety of their families while improving air circulation Color as shown Quantity delivered: 4 pieces