• fits micro-cassette for Panasonic Telephone Answering machines
• use to repair units with broken or stretched and slipping belts 
• old belts typically measure 3 to 10% longer than new belts
• 5" circumference square cross section thickness about 1 MM 
• fits KX-T2620, KX-T2622, KX-T2630, KX-T4330, KX-T4350 etc
• broken belts don't move the cassette tape to make machine operate!
• tell us your make/model if you have a different answering machine
• old belts typically measure 3-10% longer than new belts
• new belts need to be 4-8% shorter than wire around belt path