LuxaCore Z-Dual SmartMix Core Build Up Material - NATURAL A3 Shade, 2-9gm Syringes, 10 Smartmix Tips and 10 Intra-Oral Tips Ultra-strong, ultra-reliable core build-up material created with zirconia. Its combination of zirconia filler with DMG's patented nanotechnology means it significantly improves strength, flowability and physical properties. LuxaCore Z-Dual also works for your post cementing needs. 2 - 9 gram syringes & tips