Brass Plated Faucet Radiator Bleed Key, Venting Air Valve Quick Release Key - The radiators key is made of brass-plated iron, rust-proof, not easy to break, easy to install, which can be applied for a long time. Universal Fit - The brass-plated keys are manufactured with a square opening which will fit most radiator heating systems faucet . Well Design - The butterfly shape design gives easy grip for turn can be use in keyring as carry with you all time. Each key is with 2 holes, which makes it easy to attach radiator heater key to your keychain or a rope, so you will not waste time to find them and bring you convenience. Easy to Remove - when not in use, the brass-plated radiator bleed key can be removed easily, avoiding missing. Color: Gold Size: 43*34mm, inner diameter 6mm Quantity delivered: 24 pieces Warm prompt: 1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering. 2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding 3. Only the above package contents, excluding other products. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.