Model 1770 Standard Electrode Holder with Corner Clamp is supplied with all manipulators unless otherwise specified. Holds electrodes of .4 mm to 1.3 mm diameter. Model 1778 is modified with longer shaft 22.23 cm.

Models 1770, 1771, 1773 and 1778 have precision molded plastic block with serrated grooves 1 mm apart. These separations are on three sides to facilitate loading of electrodes. Clamping design allows more than one electrode to be held on one side of the holder.