Super scanner hand held metal detector World Renowned The Garrett Super Scanner is the most recognized hand-held metal detector in the world. Originally designed for use at the 1984 Olympic Games.Ultimate sensitivity Detects medium sized pistol from 9" distance; largeknife from 6"; razor blades and box cutters from 3" distance; foil-wrapped drugs and tiny jewelry from 1".Large 8" (20.3 cm) scan surfacefor quick, thorough scanning.Sharp audible alarm and bright red LEDindicates the detection of metal.Weatherproof rubber handle.