100% new and high quality Characteristics: For simple movement in tight spaces, check the clock shaped. Iideal for metal water tap and radiator valve use. The structure is tight and can prevent explosion, so it can guarantee safety when you use it. Suitable for draining or removing air obstruction of radiator. Application: the key of metal water tap lock and radiator valve. Specification: Material: Copperized iron Color: Golden Measure: app.4.5X4cm/1.77x1.57in Quantity: 1 Pc Note: N