Features: Ensure efficient radiator maintenance with our Pack of 10 Universal Radiator Bleed Keys, designs to fit most radiator valves and provide a simple bleeding process for Best heating Performances. Crafted from steel, these silver bleed keys build to with stand frequent use without wear, featuring a Small single hole design that simplifies operation and storage. Ideal for homeowners, property managers, and maintenance technicians, these bleed keys offer a practical solution for routine radiator adjustments and troubleshooting. Perfect for use in homes, offices, and schools, these keys facilitate easy radiator Valves access and adjustment, ensuring consistent warmth and comfort across various environment . With a convenient pack of ten, you'll always have a spare key on hand for any unexpected radiator issue , making it essential accessory for effective heating system management. Specifications: Component : steel Length: about 20mm/0.8inch Height: about 18mm/0.7inch Package Includes: 10pcs Radiator Bleed Key note: Please allow 1 to 3cm error due to manual measurement, please make sure you do not mind before you bid, Due to the differences between different monitors, the picture may not reflect the actual colorful of the item.