• Zinc Alloy Door Bolt is the perfect security solution for your home
• The bolt allows you to open your door safely, while allowing you not to open the door completely through the protection of the chain lock
• This helps keep your door secure while still allowing room for viewing or ventilation
• The bolt is made of high-quality and well-designed materials, making it durable and long-lasting
• Easy to install, rust-resistant and gives reliable performance