Features: A professional and precise alcohol measurement set, it includes a 0-40% alcohol meter, a 40-70% alcohol meter, a 70- alcohol meter and a thermometer. With a wooden box, durable and easy to store the alcohol meter and thermometer. Very easy and convenient to use with thermometer, please cleaning and drying thembefore using them. Suitable for testing the alcohol hydrometer of making white-spirit. Perfect using for home brewing, factories, chemical factories, laboratory and so on. Specifications: Material: Glass for Case Material: Plastic for Case Color: Blue Color: Transparent Measure Range: 0- Standard Using Temperature: 20(68) Quantity: 3 Pcs/1 Set Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Contents: 1 x 0-40% Alcohol Meter 1 x 40-70% Alcohol Meter 1 x 70- Alcohol Meter 1 x Thermometer 1 x Alcohol Concentration Meter Temperature Conversion Table