Quality Material: The triangular key is made of zinc alloy, while the silver key ring is made of aluminum alloy, not easy to rust or break, sturdy and durable to use for a long time The counter key measures approximately 53.6 x 40mm, while the inner triangle measures approximately 9 x 9 x 9mm, compatible with most triangle keyholes; please check your device size carefully before purchasing Portable Design: Equipped with a key ring, this triangular socket wrench can be attached to your backpacks, water bottles, etc., this which makes it easier to carry and store to avoid losing it Widely Applications: The triangular meter wrench is used as a wrench to unscrew a variety of valves, such as lift, gas, electric , radiator and more. Convenient for your daily life Easy to use: The metal key is T-shaped, while the handle is D-shaped, which is useful for you to use your strength and finish your work Efficiently Easy to Carry: A key ring helps to firmly attach the speedometer key to your backpacks, water bottles, etc. Convenient to carry and store and avoid the risk of losing it by accident. Universal Design: The triangular key measures 0.9 x 0.9 x 0.9 cm, universal for most sizes of triangular screws to turn on and off. Usage: The triangular meter wrench is suitable for unscrewing a variety of valves, such as elevator, gas, electric, radiator and more. Convenient for your daily life. Triangular key: Material: zinc alloy. Dimensions: 53.6 x 40 mm. Color: silver. Key ring: Material: aluminum alloy. Dimensions: 9 x 9 x 9 mm. Color: silver. Contents: 1 triangular key. 1 key ring. Notes: Because measurements are taken by hand, the dimensions indicated may vary slightly.