Built-in Z-Lynk Wireless Technology: Cuts the cord with integrated wireless audio that's six times faster than Bluetooth

The DD coil in this package is the larger 13" x 11" footprint

40 kHz single-frequency for small nugget sensitivity

Digital electronics

so every GF13 coil ships with the manufacturer warranty and our team's field-tested advice on matching coil size to your prospecting conditions

The Professionals Choice Square Knit Cleaning Patches 44 / 45 / 50 Cal 500 pack scoops diving tools Built-in Z-Lynk Wireless Technology: CutsSpecifications: 100% Cotton Knit Fits 44 45 50 Cal 3 x 3 500 Per Bag Made in the U. S. A. Specifications: 100% Cotton Knit Fits 44 45 50 Cal 3" x 3 500 Per Bag Made in the U. S. A.