Design and material Made from zinc alloy. The triangular wrench is galvanized to increase wear resistance and durability, ensuring reliable use even in adverse conditions. Multifunctional 4 in 1 tool The 4 in 1 tool provides four shapes: two squares of different sizes, ideal for use with a counter square wrench in maintenance of electrical meters or analogues; one solid square button of different sizes; and one triangle. Portable and compact Dimensions are 86.8 mm by 60 mm. The tool is small and lightweight, easy to fit in a handbag or on a key chain, making it convenient to carry and use anywhere. This enables faster resolution of maintenance tasks on the go. Wide compatibility and use Fits standard size valves. Suitable for professional technicians and homeowners who want to be prepared for maintenance issues. Ideal for opening electricity, water and gas meter boxes, such as water meters and gas meters. Use scenarios Servicing electrical meters or related installations where the two square shapes and triangle facilitate access and adjustments. Opening and operating standard valves in meter boxes or service panels for electricity, water, or gas. Onsite field work or home maintenance where a compact, multigeometry tool on a key chain or in a bag provides ready access to essential shapes.