3M - 2670-5 - Repositionable Monitoring Electrode 1 1/2" x 1 1/4". Designed with large conductive area to help improve trace quality by reducing ECG artifact. They are repositionable to allow the electrodes to be moved rather than replaced with new ones. Conformable and gentle on patient skin. Has more aggressive adhesive than the 2660. 

Mfg.#2670-5      -      Available by the Bag of 5 or Case of 1000