Convenient Package: Includes 4 ergonomically designed star keys with red handles, giving you multiple spare keys for easy identification and quick access during emergencies or routine use. Perfect Size and Fit: Measuring 80mm in total length with a 30mm star tip and 6mm diameter, these keys fit most standard rack bolt locks for doors, windows, fire doors, and utility access points. Thoughtful Design: Each key has a comfortable, ribbed handle that enhances grip and reduces hand fatigue. Compact and lightweight, these keys are easy to carry or store on keyrings or toolkits. High Quality Material: Crafted from durable brass and zinc alloy, these universal star keys resist rust and wear, providing long-lasting performance and reliable operation for fire doors, windows, and pipe well doors. Wide Application: Suitable for fire doors, pipe well doors, windows, simple doors, and fire hydrant panels. An essential security accessory for households, maintenance teams, and emergency preparedness., Manufacturer: wellrun