The BRITON Fire Door Handle Lock Knob is a contemporary, grey metal door lock suitable for fire doors. It features a 60mm diameter knob and solid core design, offering security and peace of mind. With a 10-year manufacturer warranty, you can trust in the durability and quality of this product. The panic lock hardware includes fixings supplied and is designed for easy installation. Perfect for emergency exits, this door handle lock knob is a reliable choice for any home or business setting.