Zirconia Posteriors Starter Kit - KTRKids Tooth Restoration Zirconia Posterior Crowns Starter Kit Set High quality tray with locking lid for storing and organizing KTR Zirconia Molar Crowns, complete with 48 ready to use zirconia molar crowns, plus 48 matching Try on reusable crowns ((pink)(autoclave resistant with laser marking)), for each tooth and size: #A, B, I, J, K, L, S, T Each with sizes 2s ~ 7s Featuring dual system marking on tray face, for easy and fast identification and