Litoexpe 6 Pcs Radiator Bleeding Air Valve Key, Metal Copper Alloy Gas Key Plumbing Tool, Replacement Valve Key for Home Radiator Hot Water Flush Plumbers (Stlye 1)

["Material: The key is made of premium copper alloy, which has good bending and rust resistance, ensuring long-term durability.","Size: The radiator valve key is 5 x 5 mm, and the overall size is approximately 22 x 22 mm (0.87 x 0.87 inches). It is recommended to check compatibility with the radiator lock before purchasing.","Practical: These radiator keys are designed with pre drilled holes for easy carrying and safe storage on keychains or hooks, reducing the risk of loss.","Widely used: This water valve key has various functions, not only for exhaust from the radiator, but also for other occasions that require similar functions, making it an essential tool in DIY or professional toolboxes.","Packaging content: Includes 10 radiator bleeding air valve keys."]