Three-point articulating arm holds up to three pH electrodes in selected positions. Fingertip control. Accepts all standard electrodes. Pivots 360[degree] and extends to 53cm. Weighted base. Spring counter-balance.
Electrode support, It is built to connect to all standard ring-stand posts; its large-handled locking nut keeps your sensors firmly in place, great complement to the Stir Station, as well as a perfect holder for many sensors