• belt to wind-up spring to power Baygen AM/FM/SW radio without battery
  
• 8.6" circumference square cross section thickness similar to dime coin
• Also fits 1980 to mid 1990's Delco cassette with Fijitsu 3-button cassette mechanism
• replaces "stretched-out" slipping and broken drive belts
• old belts typically have stretched 3 to 10% longer than new
• new belts need to be 4-8% shorter than a wire around belt path