GC Fit Checker Advanced Blue vinyl polyether silicone for checking pressure spots and the fit accuracy of prosthetic works. Thanks to its very thin consistency, sharp setting time and hydrophilicity, it is convenient to use and offers an accurate identification of misfits of all kinds of prosthetic work. Suitably transparent and the colour is well contrasting and thereby ideal for aesthetic restorations such as ceramic based crowns & bridges and for occlusal checking. Not affected by saliva. Contains 2pcs 48ml cartridges, 3pcs mixing tips type IIS, 3pcs mixing tips type IISS.