Winemaker ToolsetUpgrade your winemaking toolset with these helpful tools selected by our own vintners to save you time and make winemaking easier. THE WINERY UPGRADE KIT INCLUDES: Wine Thief Auto Siphon Hydrometer Test Jar Fermentor Thermometer De gasser California Proposition 65 Proposition 65 Warning: This product can expose you to chemicals that are known to the State of California to cause cancer and birth defects or other reproductive harm.