Wheat flour T550 (premium), Wheat flour T600 (all-purpose). Quality T550 tech specs: Ash 0.55% max. Wet gluten: 26%-28% (ISO) Whiteness: 58 min. Protein: 11.5% min. Falling No.: 290-350 T600 tech. specs: Ash 0.60% max. Wet gluten: 30% min. (ISO) Whiteness: 42 min. Protein: 12.0% min. Falling No.: 290-350