the Blue Bowl is capable of recovering gold as fine as talcum powder

Sensitivity: 72 dB at 1 KHz minimum

weighing only 1

6 hours working time

and 20kHz for versatile target detection

Nokta LD21 8"x5.5" Waterproof DD Coil for The Legend 2 round coil cover the Blue Bowl is capableThe Nokta LD21 8"x5. 5" waterproof DD search coil is a compact elliptical coil designed for Legend 2 owners who hunt in trashy parks, rocky terrain, and tight spaces where precision target separation determines if you dig keepers or junk. Its Double D configuration delivers consistent depth across the entire search pattern, eliminating dead spots that can hide targets, and the fast recovery speed lets you thread between aluminum cans and pull tabs to