grinding jar products

: Vitamix 56090 32 Ounce Dry-Grains Container ...- grinding jar products ,Specially designed blades grind whole grains into fresh flours, mix batter, and simulate the kneading process to easily prepare dough for baking.Ceramics (sp.gr. 3.5 to 6.1) | Glen MillsCeramics (sp.gr. 3.5 to 6.1) Alumina Grinding Media (sp.gr. 2.8 to 3.9) Available in a range of specific gravities which rises as the alumina (Al2O3) content increases.