Cat Eye Heart Rate Sensor Belts - Set of 2 Part Number: 1603595 These are genuine Cat Eye replacement straps. Compatible with snap-button type sensors, such as Garmin heart rate sensors. I have used them with Garmin HRM DUAL and Polar H10. I purchased these as spares, but I am selling them as I no longer need them. [Condition] Unused (stored at home) [Part Number] 1603595 [Shipping] I will take waterproof measures and carefully package the items for shipping. *Please refrain from purchasing if you are seeking perfection, as these have been stored at home.