【Material Features】These UPVC window locks are made from plastic material, with a design focused on durability. The smooth surface provides a contemporary appearance and a comfortable grip, suitable for various window types 【Reinforced Structural Design】This lock incorporates a screw-reinforced base that can contribute to installation stability. The contoured concave handle is shaped for comfortable handling with reduced slippage, supporting smooth window operation 【Child & Pet Safety – Peace of Mind】Designed with families in mind, this lock prevents dangerous window falls by keeping windows securely closed while still allowing ventilation. An essential safety upgrade for homes with young children or pets, reducing risks without compromising airflow 【Simple, Tool-Free Installation – Ready in Minutes】Pre-drilled screw holes and included hardware make setup quick and hassle-free. No special tools required—just follow the clear instructions for a secure fit in minutes. Ideal for DIY homeowners seeking an instant security upgrade 【Universal Fit – Works with Most Windows】Compatible with standard PVC/uPVC windows, the 180° rotating handle ensures smooth operation. Suitable for homes, apartments, offices, and more, offering versatile security for any space, Manufacturer: HAOQIAGA