Adjustable Sensitivity and Discrimination: Fine-tune the detector's responsiveness to differentiate between various types of metals and ignore undesired targets

and Hitachi

This is also a great assay mix

Columbia River Gold Getter 22″ Drop-Riffle Stream Sluice

and underwater detecting

Black Jewelry and Gem Jar Tray Case - Holds Seventeen 15" x 8" x "1 Display Trays Triple Score Adjustable Sensitivity and Discrimination: Fine-tuneBlack Jewelry & Gem Jar Tray Case Holds 17 Display Trays Professional Storage & Transport Case for Collectors Organize, Protect, and Transport Your Entire Collection with Confidence The Black Jewelry & Gem Jar Tray Case is a professional storage and carrying solution designed for coin collectors, gold prospectors, metal detectorists, jewelers, mineral collectors, and hobbyists. Built to hold up to 17 standard 15" x 8" x 1" display trays, this durable