Green Line Hydrometer/Thermometer

13" long triple scale hydrometer with thermometer for temperature correction. Hydrometer reads naturally at 60?F. Lead-free steel shot in hydrometer, all food grade & edible riser fluid. Scales: Balling: 0-38% Potential ABV: 0-20% Specific Gravity: 0.990 - 1.170 Temperature: 20-120?F/-5-50?C