Use Columbia 600M Electrodes with all NMES devices that treat Dysphagia patients. The FDA has approved the electrodes for use on the neck to be used in conjunction with primary Dysphagia treatment devices. All the electrodes are single patient-multiple use application. For added comfort/strength, the electrodes are made from a carbon mesh. The electrode is .86" round. Each electrode has a "pig-tail" connection to lead wire for easy set up. These electrodes are used to treat smaller patients. A lead wire for connection to NMES devices are included.