Injection Molded Nylon and Delrin.7 Key Lanyard fits Johnson, Evinrude, Mercury, Yamaha, Honda, Tohatsu, Suzuki and Nissan kill switches.Length: 50" Sea-Dog Line is a 3rd generation family company with a history of satisfied customers stretching back to the company's start in 1933. The company is the recipient of multiple industry awards for quality and efficiency.