Replacement test fish key, the ideal solution for ensuring the functionality and reliability of your emergency light switch systems. Designed to provide quick and hassle-free access during routine testing or emergencies, this key is an essential component for any facility equipped with emergency lighting. Compatible with Crabtree ( 4451, 4461, 4551 ); Compatible with MK ( K4894, K4898, K4898EL, K4917EL, K4917, K4918 ) switches. It seamlessly integrates with a variety of emergency light switch models, making it a versatile solution for various environments. Ideal for electricians, janitors, security and maintenance personnel, etc. Material: These fish key made of metal, can be used for a long time and not easily damaged. You will get 10pcs 50mmx14mm f.
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