- Solid square tongue design allows for a secure and comfortable grip, enhancing your control during operation. - This installation kit includes everything necessary to set up a single door, ensuring a straightforward and hassle-free process. - Versatile installation options let you mount the kit in front of or behind the door, providing flexibility to suit your space and preferences. - Compatible with various home security interior doors, making it suitable for different security needs and styles. - Crafted from durable aluminum alloy, this product is corrosion-resistant, ensuring longevity and reliable performance over time. - Length: 210mm, designed to fit doors with a thickness of 350-500mm, accommodating a range of standard door sizes. Use Scenarios: 1. Upgrade your home security by installing this door kit in a new interior door, providing enhanced access control for privacy-sensitive areas like home offices or bedrooms. 2. Perfect for property managers looking to quickly retrofit security features in multiple units, allowing for easy and consistent installation across different doors. 3. Ideal for DIY enthusiasts who want to improve their home’s functionality with a reliable door solution that doesn’t compromise on quality or ease of use.