Delmhorst 18-ES Slide Hammer Electrode Sliding Shaft
The 26-ES slide hammer electrode can connect to any Delmhorst meter. It will allow you to penetrate deeper into the material that you are checking.
Similar to 26-ES, the 18-ES has a 17" steel shaft. Comes with 608 insulated pins for 3 1/4" penetration. Ideal for timber, poles, and ties.