High-quality -plated brass construction ensures durability and resistance for long-lasting use. Maximum operating temperature of 120 C and pressure of 16 bar, making it suitable for various heating systems. Designed for easy manual ventilation of radiators in central heating systems, enhancing efficiency. Versatile 1/2 inch valve size fits most radiators, suitable for apartments, offices, and other environments. This radiator ventilation key set is crafted from high-quality materials to provide reliable performance and . The set includes 10 ventilation valves and 10 keys, ensuring you have enough for daily use and replacements. The easy-to-use design allows for efficient radiator ventilation, making it an essential tool for maintaining heating systems in various settings. Color: As Shown Material: Metal Package Contents: 5 Radiator Bleed Valve 5 Bleed Keys Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.