Protectrode® - Neonatal EEG or aEEG Needle Electrodes, Blue CapSterile and disposable needle electrodes with low impedance and retractable baby blue safety cap by The Electrode Store. 12mm (0. 5"), 29 gauge uncoated steel cone sharpened, with 1. 0m (40") lead wire, safety socket. For neonatal to adult EEG or aEEG. Single patient use. 3 year shelf life. PRO E5 was previously sold as part number OBM00046. (24 needles; 4 subdermal needle electrodes per pack (2 black, 2 violet); 6 packs per box).