Security: This device helps prevent unauthorized entry by securing windows when slightly open, while allowing for air circulation. Appearance: Features a professional surface finish with a solid, compact, and sleek design. Constructed from high-quality materials, easy to operate, and compatible with most plastic, steel, and alloy windows. Multi-function: These locks are suitable for various surfaces including wood, glass, plastic, and metal. Ideal for securing sliding doors, porch entrances, closets, showers, storage rooms, entertainment centers, and sliding windows. Helps protect children by limiting access. Premium Quality: Made from durable metal reinforced with rubber. Effectively limits and locks the opening of sliding doors and windows to help keep children safe. This product is designed to enhance the security of horizontal sliding windows. Adjust your window locking system to ensure safe and secure operation against unauthorized access. Can be used to keep windows fully closed or partially open. Features an adjustable length with a handwheel for easy operation. Features: Material: Metal + Rubber Color: Black Dimensions: Approx. 6 x 4 x 3.5 cm Package weight: Approx. 78 g Package contents: 2 door and window locks Instructions: Lock the window before installing this product. Insert the rod into the groove to ensure it is securely fixed within the sash. Turn the handwheel clockwise until the unit is firmly locked in place. Ensure the window frame is mounted with at least 4 cm clearance. Attention: 1. As measurements are taken manually, dimensions may vary by 1–2 cm. Order only if you accept this variance. 2. Colors may appear slightly different due to lighting and screen settings during image capture.