[High Quality Material] Constructed from durable aluminum alloy and stainless steel, these sliding window locks with keys are designed for long-lasting performance. [Effortless Installation] Installation is hassle-free; no additional tools or modifications are necessary. Simply attach a lock to each window, which can be easily controlled with a key. The design is user-friendly for adults, ensuring safety by preventing young children from operating it. [Robust Design] Our sliding door locks boast a smart and durable construction. Each unit has a sturdy aluminum alloy frame and comes with stainless steel screws, offering exceptional resilience against various climates. Their reliable build allows for repeated use without compromise. [Adjustable Fit] Equipped with a hex wrench, the locks can be easily adjusted to accommodate different frame thicknesses, making them compatible with most horizontal windows, vertical windows, and sliding glass doors. [Home Safety Solution] These adjustable sliding window locks serve as an essential security feature for your home. They effectively prevent unauthorized access, while also minimizing the risk of accidental falls by securely keeping windows in open or closed positions. Enjoy improved air circulation alongside enhanced safety for your family. [Practical Use Scenarios] - Perfect for childproofing your home, ensuring that adventurous toddlers stay safe by preventing unauthorized window access. - Ideal for enhancing security in rental properties, giving tenants peace of mind when leaving windows open for ventilation. - Useful for seasonal homes, providing additional security measures during times when the property is unoccupied.