Used- Syntron Material Handling Magnetic Feeder. Model BF-2-B. Trough Stroke Range:15 20 lb trough- .055 to .060 inches (1.4 to 1.5 mm). 12 14 lb trough- .070 inches. (1.78mm). Natural Frequency: 3900 Vpm Minimum (60 Hz). 1.13 Amps (460V/50/60 Hz). Last used in a Cannabis application.