Vintage Brew and Mash Tester Glass Beer Hydrometer 60° Specific Gravity ScaleDescription: This vintage glass brew and mash tester is a classic beer hydrometer used to measure specific gravity during the brewing process. Calibrated at 60 degrees Fahrenheit, it helps monitor sugar content and fermentation progress in homebrewing or traditional beer production. A great tool for brewers or collectors of vintage lab and brewing equipment. Specifications: Type: Brew and Mash Tester Beer Hydrometer Calibration: 60F Scale: Specific