①. This emergency call point test key is designed to reset fire call systems after the glass has been broken. Made from long-lasting plastic, it ensures long-lasting use and reliability. The key is essential for maintenance personnel and safety officers, providing a way to restore the alarm system to its normal state. ②. - Color: Multi - Material: Plastic - Size: 5.80X1.20X1.20cm/2.28X0.47X0.47in ③. - Plastic materials: crafted from reliable materials, these keys are designed for durability and long-lasting use. - Versatile design: suitable for various scenarios including fire switches, emergency buttons, and alarm buttons - Easy to use: simple operation, just insert and turn to reset or trigger the switch - Easy to use: Its ergonomic design allows for easy handling and operations, ensuring that the alarm system can be reset swiftly. - Enough keys: each set includes enough keys, catering to multiple switches' needs ④. Package list: 10 x key