Fisher CZ-21 Waterproof Metal Detector

The Fisher CZ-21 is great for water and beach hunters who demand accuracy, depth, and durability. Fully waterproof up to 250 feet, this proven detector performs flawlessly in both salt and freshwater environments. Using Fisher’s dual-frequency VLF technology, the CZ-21 delivers stable operation, deep detection, and reliable target ID—whether you’re diving, wading, or working the wet sand.

Simple analog controls make setup quick and intuitive, while tone ID and adjustable discrimination let you focus on valuable targets. Available with 8″ or 10.5″ search coils, the CZ-21 offers precision for tight areas or maximum coverage for deeper finds. Rugged, balanced, and built to last, it’s the ultimate all-weather detector for underwater and shoreline treasure hunting.