Description Radiator bleeder wrench, bleeding key zinc alloy square keys with carabiners cupboard key, zinc alloy square keyhole. Square cut out at the end, ideal for gas and heater box, utility gas or electric meter key. Features - Color: Silver. - Material: Zinc alloy. - Size: 2.70 x 2.50 x 1.00cm/ 1.06 x 0.98 x 0.39 inch. - Our radiator key is made of zinc alloy that can provide a very long service life. - The square hole key designed to suitable for most square keyholes. - Square hole key can be used as a practical wrench to turn the of a variety of products. - Such as gas, radiator and other valves, very useful and practical in your daily life. - Professional and practical design with beautiful appearance, easy to carry and use. 10 x keys