Mars Tiger 12.5 x 9.5" DD Coil Minelab X-Terra Dual Frequency 3 kHz & 7.5 kHz
Minelab X-Terra 505. Minelab X-Terra 705. Mars Tiger 12.5" x 9.5" DD Search Coil with Nut & Bolt, Coil Cover, 2 Rubber Rings, and a Two-Year Warranty. It provides greater detection depth and good separation of targets lying close together.