The Delmhorst 26-ES 2-Pin Electrode is used by flooring installers. The 496 contact pins that come with the Delmhorst 26-ES 2-Pin Electrode penetrate 1 1/8” and have insulated shanks so that only the tips are exposed. The pins make contact only at their uncoated tips and provide much more accurate readings of moisture content at various levels of penetration. This feature is useful for a variety of different applications.