Efficient Radiator Bleed Key: The brass radiator bleed key allows for effective bleeding of radiators to remove trapped air, improving overall heating system performance. The solid brass construction ensures longevity, making it a reliable tool for radiator maintenance. Optimal Size: This radiator bleed key has a compact size of 3.8 cm in length, 3 cm in width, and 1 cm in height, designed for ease of use and suitable for UK radiator valves. Its ergonomic design allows easy access to radiator valves in tight spaces. Secure Fit: The 5mm opening ensures a precise and snug fit on most UK radiator valves, preventing slippage or damage during the bleeding process. The compact and lightweight design makes it easy to carry and store. The easy-grip valve key design allows for smooth operation. Solid Brass Construction: Made from high-quality solid brass, this radiator key is robust and resistant to corrosion, ensuring durability even in demanding conditions. Regular use helps maintain an efficient heating system, minimizing energy consumption. Versatile Application: Suitable for various types of UK radiators, including traditional and modern designs, this key is compatible with most standard radiator valves. It is an essential tool for homeowners to perform routine maintenance without professional assistance.