The new Fit Checker Advanced and Fit Checker Blue are Polyether Vinyl materials for checking contact points and the accuracy of the fit of prosthetic work. Thanks to a very fine consistency and a short setting time, along with hydrophilicity, both materials have extremely practical applications and provide precise identification of all types of poorly fitting prostheses. CONTENTS: Base (55 g) + Catalyst (50 g) + 3 g retar + 1 mixing Pad