PREMIUM QUALITY MATERIAL -- This key is designed with a unique shape, made from zinc alloy with an electrolytic polishing surface. It's a robust and durable tool built to last. HARD-WEARING DESIGN -- Designed for control cabinets and shut-off systems for gas, water, and electricity. Its compact size and lightweight body allow it to be easily attached to a keychain for convenient carrying. MULTI-FUNCTIONAL -- Features 4 shapes, including 2 square, 1 triangular, and 1 key shape. This multi-functional key can be used in a variety of situations. This utility key is suitable for most radiators and electrical or gas meter boxes. Radiator keys can reduce radiator noise by venting trapped air. The multi-functional keys can also be used as a practical wrench for turning screws, suitable for many valves. Please ensure the size matches your device before purchasing, as this utility key is not suitable for all types of radiators or electrical/water meter boxes. Color: Silver Material: Zinc Alloy Size: 7.2 x 7.2 x 1.3 cm Package Contents: 1 x Utility Key 1 x Detachable Screwdriver Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.