Feature●Proof And Tralle Hydrometer With 12" Glass Test Jar With Distillers Active Dry Yeast (1 Lb.)●Accurately measures percentage alcohol in unsweetened distilled beverages●Used for distilled spirits and is NOT for beer and wine●Red Star Distillers Active Dry YeastDescription Proof And Tralle hydrometer with 12" glass test jar with distillers active dry yeast (1 lb).