Lock Metal Detector/Checkweigher System-Model Met 30+/CK 2500. This is an in-line, all in one unit consisting of a Lock Met 30+ Metal Detector mounted over a 4' L belt conveyor with reject station and a Lock CK 2500 Checkweigher with 3' Long, 3 piece belt conveyor and reject station. Metal Detector tunnel opening: 8" W x 13" H. Unit last calibrated in 2019 and was taken out of service in good working condition.