- Versatile Size: The internal space measures 13mm (0.51 inches) and the internal diameter is 17.5mm (0.68 inches), making it compatible with a range of door types. - Effortless Installation: Designed for user-friendly setup, the double-drum lock can be easily installed and operated without the need for specialized tools. - Durable Material: Constructed from cold-rolled steel and zinc alloy, this door stop retainer offers robust strength and longevity, ensuring reliable performance even under frequent use. - Practical Applications: - Ideal for homes to keep doors securely open, preventing door slam accidents and enhancing airflow in your living spaces. - Perfect for commercial settings to hold doors in place while allowing staff and customers to move freely between rooms. - Secure Functionality: The ball buckle design effectively retains doors in an open position, providing convenience and safety in high-traffic areas. Choose our door stop retainer for a reliable, easy-to-install solution that enhances both home and workplace environments.