Sea-Dog Key Kill Switch Universal Lanyard 7. Designed to instantly cut battery power when detached. Constructed of injection molded nylon and Delrin. The 7 key 50 lanyard fits OMC Johnson Evinrude Mercury Mariner Force Yamaha Honda Tohatsu Suzuki and Nissan kill switches. Specifications for Sea-Dog 7 Key Kill Switch Universal Lanyard: Manufacturer: Sea-Dog Color: Black Features of Sea-Dog 7 Key Kill Switch Universal Lanyard Constructed of injection molded nylon Lanyard Color: Red 7 Key Kill Switch Lanyard helps to attach to life vest Package Contents: Sea-Dog 7 Key Kill Switch Universal Lanyard Sea-Dog 420495-1: Key Kill Switch Universal Lanyard