CompCore AF SyringeMix STACK- A3 Introductory Kit (Stack) - Automix Dual-Barrel Syringe Composite Core Build-Up Material, Dual-Cure, Fluoride-Releasing: 2 - 9 Gm. Syringes, 15 Mixing Tips, 15 Standard & 10 Extra-fine Intra-Oral Tips. #3001513 Introductory Kit