These electrodes fit routine experiment because the gap between the electrodes is fixed.（suitable for CUY21 series） Target： tissues (like neural tubes) from ectoderm of chicken embryo Parallel Fixed Needle Electrode Electrode for Chick embryo LF610P1.5-1 Platinum parallel fixed needle electrodes, 1.5mm gap, 1mm tip length LF610P2-1 Platinum parallel fixed needle electrodes, 2.0 mm gap, 1mm tip length LF610P2.5-1 Platinum parallel fixed needle electrodes, 2.5 mm gap, 1mm tip length LF610P4-1 Platinum parallel fixed needle electrodes, 4.0 mm gap, 1mm tip length LF610P4-2 Platinum parallel fixed needle electrodes, 4.0 mm gap, 2mm tip length LF610P4-2 Platinum parallel fixed needle electrodes, 4.0 mm gap, 4mm tip length
