High-Density Magnet: Made from strong iron material for effective lockdowns Easy Installation: Pre-drilled holes allow quick and simple mounting Versatile Usage: Ideal for securing doors in schools, offices, and other locations Quick Response: Magnetic strips activate within seconds for immediate lockdown Durable Construction: Long-lasting and resistant to wear and tear Magnetic strip for tools A pack of 6, the size is 8"x2"x 0.03" A simple and effective solution to avoid lock delay