Rebuilt 2017 Mettler Toledo Safeline Metal Detector, SL 2000, 20 in. wide plastic interlock belt. Aperture 20 1/2 in. wide x 3.3/4 in. tall (from belt to top). Retracting belt reject. New Mettler Toledo Safeline touchscreen controls. SS frame and construction. 120 V, 60 Hz, 1-Phase.