Expander Watch Strap for ForerunnerA(R) 610 - BlackGarmin's expander watch strap is the perfect accessory for extending your watch strap to fit over clothing and jackets. Includes removal tool and installation pins.Compatible Devices:ForerunnerA(R) 610WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.