ContacEZ 92403 PrepSure Crown Preperation Guide Assorted Classic Colors 3/Pk

PrepSure Classic Colors Crown Prep Guide Assorted Sizes 3/Pk. Double-Sided crown preparation instruments to monitor occlusal, distal, and mesial clearances for crowns and onlays. Includes one each: Yellow (1mm for solid zirconia, gold, other monolithic materials), Red (1.5mm for PFMs, zirconia, other layered crown materials), and Blue (2mm for porcelain/ceramic and CAD/CAM crowns, onlays). Autoclavable (steam heat only, no dry heat, up to 270°F for 10 minutes at 30 psi max).