This electrode holder consists of a plastic strip measuring 78 x 27 x 5 mm fitted with two crocodile clips, each equipped with a 4 mm socket for lead connections. The clips accept rod or foil electrodes. Electrodes are not included. The holder provides a convenient means of securing two electrodes in a fixed position for electrolysis experiments and electrochemical demonstrations. The 4 mm sockets are compatible with standard banana plug laboratory leads.