Delmhorst 21-ET Electrode with 6" Insulated Penetration Pins for attaching extension poles

This insulated probe attachment fits all Delmhorst meters.

Features:

• Two pins (insulated)
• 3 1/4" penetration
• Use on EIFS, insulation and roofs
• Also available as a 21-ET with a tapped handle. This feature allows you to attach a threaded extension pole -- great for checking moisture in high and hard to reach places.
• Also available as a 21-E/001 with 7" pins for EIFS