an interior carabiner to secure rings

so we can tune from rich loam down to wet salt sand without losing target ID stability

balancing depth

All values below are taken directly from Fisher Research Labs' official product specifications

Quest Q20 Metal Detector Control Box 1/8 plug an interior carabiner to secureQuest Q20 Metal Detector Control Box Replacement control box for the Quest Q20 Metal Detector Quest Q20 Metal Detector Control Box Replacement control box for the Quest Q20 Metal Detector *The Quest Q20 does NOT feature a backlit display. Included Items: Quest Q20 Control Box Features: Water resistant console Intuitive Operation System Built in USB Rechargeable Li Battery Optimized Saltwater Performance