Features: Ensures easy ventilation and reduced noise level with our Radiators bleed Key, craft from Zinc Alloy for long time reliability. Featuring hard anodized finish, these Key designs to resist wear and provide easy access even in tight space, making practical tool for effective heating maintenance. For maintenance professional, engineers, and enthusiasts, this set is for anyone need efficient and straightforward Radiators venting solution. Suitable for residential, commercial, and industrial environment, these Key indispensable for maintaining HVAC systems, plumbing, and gas systems. Regular use of these Radiators bleed Key can significantly enhances heating efficiency and ensures smooth operating experience, makingaddition to any toolboxs. Specifications: Component: Zinc Alloy Color: As Picture Show Size: Length 3cm/1.18inch, Diameter 0.9cm/0.35inch Package Includes: 10pcs Radiators Bleed Key note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.