Dig your plug and then run the probe around in the hole. You'll know whether you're chasing a deep coin, as opposed to a nail, right away. It also makes changing coils extremely easy. The item "Sun Ray X-1 Probe for Minelab Etrac, Explorer, Safari, & Quattro, FBS, Sunray X1" is in sale since Sunday, September 15, 2019.
This item is in the category "Business & Industrial\Test, Measurement & Inspection\Test Meters & Detectors\Metal Detector Accessories". The seller is "bayard1908" and is located in Aurora, Illinois. This item can be shipped to United States.