• Drive belt used to  "wind-up" spring to power radio without batteries
• use to repair units sold to use without needing a plug in power source 
• 9.5" circumference square cross section thickness similar to dime coin
• fits second generation Freeplay FPR-2 portable AM/FM/SW radios
• replaces "stretched-out" slipping and broken drive belts
• old belts typically have stretched 3-10% longer than new belts
• check circumference to make sure you order the proper size
• new belts should be 3-7% less than a wire around the belt path