Flexi-Flow Auto E - Vita A2. Multi-purpose Composite Post Cement, Self-Cure, Titanium and Lanthanid Reinforced, Radiopaque. Complete Kit: 2 Auto-Mix Syringes (each contains 4.5 Gm. Base and 4.5 Gm. Catalyst), 20 Mixing Tips and 20 Intra Oral Tips. Kit