uxcell 50A 75mV DC Current Meter Shunt Resistor Resistance for DC Ammeter Corrosion Proof. Antirust metal meets sturdy connection, stable, durable and reliable. Voltage Drop: 75mV. Fit 75mV DC Ameter Rated Current: 50A Length: 4.72 inches, Weight: 2 oz Model: FL-2, Accuracy: 0.5