... adjusting Detects ferrous, non-ferrous and stainless steel weapons, contraband or other met GARRETT THDThe THD Tactical Metal ... effectively detects all ferrous,non-ferrous and stainless steel weapons, contraband or other metallic objects and silentlyalerts with ... adjusting• Detects ferrous, non-ferrous and stainless steel weapons, contraband or other metallic objects• Advanced circuitry provides ultra ...