The Mars Discovery probe is intended as an optimal replacement for the base coil. Despite its larger size, it has excellent weight and does not lose its sensitivity to the smallest objects. The stability of the probe and the highly durable construction are very impressive.
The probe is designed for Garrett Ace series metal detectors
Coil type: 2D
Size, inches: 13 "
Size, cm: 33 cm
Weight: 490 g
Comparison of the size of currently manufactured Mars probes