Contents: Set of 2 triangle keys. Quality material: the triangle 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 One fits most: the meter box key measures about 52 x 35 mm/ 2.05 x 1.38 inch, while the triangle inside measures approx. 9 x 9 x 9 mm/ 0.35 x 0.35 x 0.35 inch, compatible with most triangle keyholes; Please check your device size carefully before purchase Wide applications: The triangular meter box wrench is applied as a wrench to unscrew a variety of valves, such as lift, gas, electricity, heater and more, convenient for your daily life Easy to use: the key of the metal meter box is T-shaped, while the handle is D-shaped, allowing you to leverage your strength and complete your work efficiently