General description Security lock for sliding doors made of gray cast iron, designed to protect children by keeping sliding windows closed, preventing falls, and deterring unauthorized entry. Technical specifications Material: Iron Color: Gray Size: 6 x 3.5 x 2.3 cm Adjustable card slot spacing: 2.5 cm - 4 cm Compatibility and accessories Fits most doors and windows Includes 2 safety locks Usage Equipped with a rotary switch for easy adjustment of card slot spacing Non-slip design with a flexible protective cover to prevent scratching